Slightly reorganized layout of GRC flographs to be consistant with snap-to-grid spacing for GR 3.7.5
diff --git a/apps/airprobe_file.grc b/apps/airprobe_file.grc
index d8e2b31..db31b44 100644
--- a/apps/airprobe_file.grc
+++ b/apps/airprobe_file.grc
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='ASCII'?>
-<?grc format='1' created='3.7.6'?>
+<?grc format='1' created='3.7.5'?>
 <flow_graph>
-  <timestamp>Wed Aug 13 19:03:06 2014</timestamp>
+  <timestamp>Sat Dec 13 10:46:37 2014</timestamp>
   <block>
     <key>options</key>
     <param>
@@ -58,88 +58,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(0, -5)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>CHANNEL_UNKNOWN</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(480, -5)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>BCCH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(616, -5)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>CCCH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(680, -5)</value>
+      <value>(16, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -166,7 +85,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(936, -5)</value>
+      <value>(1080, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -177,7 +96,7 @@
     <key>variable</key>
     <param>
       <key>id</key>
-      <value>RACH</value>
+      <value>CHANNEL_UNKNOWN</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -185,7 +104,7 @@
     </param>
     <param>
       <key>value</key>
-      <value>3</value>
+      <value>0</value>
     </param>
     <param>
       <key>alias</key>
@@ -193,7 +112,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(744, -5)</value>
+      <value>(576, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -220,7 +139,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(872, -5)</value>
+      <value>(1008, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -247,7 +166,88 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(808, -5)</value>
+      <value>(936, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>CCCH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>2</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(792, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>RACH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>3</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(864, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>BCCH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(720, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -286,7 +286,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(184, -5)</value>
+      <value>(208, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -325,7 +325,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(296, -5)</value>
+      <value>(328, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -364,101 +364,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(376, -5)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_clock_offset_control</key>
-    <param>
-      <key>id</key>
-      <value>gsm_clock_offset_control_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>fc</key>
-      <value>fc</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(240, 219)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>180</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_input</key>
-    <param>
-      <key>id</key>
-      <value>gsm_input_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>ppm</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>osr</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>fc</key>
-      <value>fc</value>
-    </param>
-    <param>
-      <key>samp_rate_in</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(176, 128)</value>
+      <value>(416, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -509,7 +415,58 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(-8, 115)</value>
+      <value>(16, 195)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_input</key>
+    <param>
+      <key>id</key>
+      <value>gsm_input_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>ppm</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>osr</key>
+      <value>4</value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>fc</value>
+    </param>
+    <param>
+      <key>samp_rate_in</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(200, 208)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -560,7 +517,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(352, 112)</value>
+      <value>(384, 192)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -568,6 +525,45 @@
     </param>
   </block>
   <block>
+    <key>gsm_clock_offset_control</key>
+    <param>
+      <key>id</key>
+      <value>gsm_clock_offset_control_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>fc</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(272, 315)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
+    </param>
+  </block>
+  <block>
     <key>gsm_universal_ctrl_chans_demapper</key>
     <param>
       <key>id</key>
@@ -603,34 +599,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(536, 112)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_message_printer</key>
-    <param>
-      <key>id</key>
-      <value>gsm_message_printer_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1000, 112)</value>
+      <value>(576, 192)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -665,7 +634,38 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(784, 112)</value>
+      <value>(840, 192)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_message_printer</key>
+    <param>
+      <key>id</key>
+      <value>gsm_message_printer_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>prepend_string</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1088, 192)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -720,7 +720,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1016, 179)</value>
+      <value>(1088, 243)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -728,40 +728,10 @@
     </param>
   </block>
   <connection>
-    <source_block_id>gsm_receiver_0</source_block_id>
-    <sink_block_id>gsm_clock_offset_control_0</sink_block_id>
-    <source_key>measurements</source_key>
-    <sink_key>measurements</sink_key>
-  </connection>
-  <connection>
     <source_block_id>gsm_control_channels_decoder_0</source_block_id>
-    <sink_block_id>gsm_message_printer_0</sink_block_id>
+    <sink_block_id>blocks_socket_pdu_0</sink_block_id>
     <source_key>msgs</source_key>
-    <sink_key>msgs</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_input_0</source_block_id>
-    <sink_block_id>gsm_receiver_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_universal_ctrl_chans_demapper_0</source_block_id>
-    <sink_block_id>gsm_control_channels_decoder_0</sink_block_id>
-    <source_key>bursts</source_key>
-    <sink_key>bursts</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_receiver_0</source_block_id>
-    <sink_block_id>gsm_universal_ctrl_chans_demapper_0</sink_block_id>
-    <source_key>C0</source_key>
-    <sink_key>bursts</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_clock_offset_control_0</source_block_id>
-    <sink_block_id>gsm_input_0</sink_block_id>
-    <source_key>ppm</source_key>
-    <sink_key>ppm_in</sink_key>
+    <sink_key>pdus</sink_key>
   </connection>
   <connection>
     <source_block_id>blocks_file_source_0</source_block_id>
@@ -770,9 +740,39 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
+    <source_block_id>gsm_clock_offset_control_0</source_block_id>
+    <sink_block_id>gsm_input_0</sink_block_id>
+    <source_key>ppm</source_key>
+    <sink_key>ppm_in</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_receiver_0</source_block_id>
+    <sink_block_id>gsm_universal_ctrl_chans_demapper_0</sink_block_id>
+    <source_key>C0</source_key>
+    <sink_key>bursts</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_universal_ctrl_chans_demapper_0</source_block_id>
+    <sink_block_id>gsm_control_channels_decoder_0</sink_block_id>
+    <source_key>bursts</source_key>
+    <sink_key>bursts</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_input_0</source_block_id>
+    <sink_block_id>gsm_receiver_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
     <source_block_id>gsm_control_channels_decoder_0</source_block_id>
-    <sink_block_id>blocks_socket_pdu_0</sink_block_id>
+    <sink_block_id>gsm_message_printer_0</sink_block_id>
     <source_key>msgs</source_key>
-    <sink_key>pdus</sink_key>
+    <sink_key>msgs</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_receiver_0</source_block_id>
+    <sink_block_id>gsm_clock_offset_control_0</sink_block_id>
+    <source_key>measurements</source_key>
+    <sink_key>measurements</sink_key>
   </connection>
 </flow_graph>
diff --git a/apps/airprobe_rtlsdr.grc b/apps/airprobe_rtlsdr.grc
index aa263fa..af063d3 100644
--- a/apps/airprobe_rtlsdr.grc
+++ b/apps/airprobe_rtlsdr.grc
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='ASCII'?>
-<?grc format='1' created='3.7.6'?>
+<?grc format='1' created='3.7.5'?>
 <flow_graph>
-  <timestamp>Thu Nov  6 14:43:22 2014</timestamp>
+  <timestamp>Sat Dec 13 10:49:59 2014</timestamp>
   <block>
     <key>options</key>
     <param>
@@ -58,7 +58,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(13, 9)</value>
+      <value>(16, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -85,7 +85,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(13, 86)</value>
+      <value>(16, 83)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -112,88 +112,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1104, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>AGCH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(976, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>RACH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>3</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(912, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>CCCH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(848, 11)</value>
+      <value>(1200, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -220,7 +139,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(648, 11)</value>
+      <value>(696, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -247,7 +166,88 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(784, 11)</value>
+      <value>(840, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>CCCH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>2</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(912, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>RACH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>3</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(984, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>AGCH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>4</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1056, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -274,66 +274,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1040, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>fc</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>center_frequency</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>939.4e6</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>925e6</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>960e6</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>2e5</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter_slider</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(330, 9)</value>
+      <value>(1128, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -352,7 +293,7 @@
     </param>
     <param>
       <key>label</key>
-      <value>gain</value>
+      <value>Gain</value>
     </param>
     <param>
       <key>value</key>
@@ -392,7 +333,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(218, 10)</value>
+      <value>(192, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -400,270 +341,32 @@
     </param>
   </block>
   <block>
-    <key>gsm_receiver</key>
+    <key>gsm_input</key>
     <param>
       <key>id</key>
-      <value>gsm_receiver_0</value>
+      <value>gsm_input_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
+      <key>ppm</key>
+      <value>0</value>
+    </param>
+    <param>
       <key>osr</key>
       <value>4</value>
     </param>
     <param>
-      <key>cell_allocation</key>
-      <value>[0]</value>
-    </param>
-    <param>
-      <key>tseq_nums</key>
-      <value>[]</value>
-    </param>
-    <param>
-      <key>num_streams</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(448, 232)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_message_printer</key>
-    <param>
-      <key>id</key>
-      <value>gsm_message_printer_1</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1112, 232)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_socket_pdu</key>
-    <param>
-      <key>id</key>
-      <value>blocks_socket_pdu_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>"UDP_CLIENT"</value>
-    </param>
-    <param>
-      <key>host</key>
-      <value>127.0.0.1</value>
-    </param>
-    <param>
-      <key>port</key>
-      <value>4729</value>
-    </param>
-    <param>
-      <key>mtu</key>
-      <value>10000</value>
-    </param>
-    <param>
-      <key>tcp_no_delay</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1136, 307)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_control_channels_decoder</key>
-    <param>
-      <key>id</key>
-      <value>gsm_control_channels_decoder_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(896, 232)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_universal_ctrl_chans_demapper</key>
-    <param>
-      <key>id</key>
-      <value>gsm_universal_ctrl_chans_demapper_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>starts_fn_mod51</key>
-      <value>[2,6,12,16,22,26,32,36,42,46]</value>
-    </param>
-    <param>
-      <key>channel_types</key>
-      <value>[BCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH]</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(632, 232)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>parameter</key>
-    <param>
-      <key>id</key>
-      <value>ppm_param</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>ppm</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>intx</value>
-    </param>
-    <param>
-      <key>short_id</key>
-      <value>p</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(648, 75)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_clock_offset_control</key>
-    <param>
-      <key>id</key>
-      <value>gsm_clock_offset_control_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
       <key>fc</key>
       <value>fc</value>
     </param>
     <param>
+      <key>samp_rate_in</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
       <key>alias</key>
       <value></value>
     </param>
@@ -681,66 +384,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(336, 347)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>180</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>ppm</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>clock_correction [ppm]</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>ppm_param</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>-150</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>150</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(473, 10)</value>
+      <value>(280, 304)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -991,58 +635,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(0, 171)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_input</key>
-    <param>
-      <key>id</key>
-      <value>gsm_input_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>ppm</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>osr</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>fc</key>
-      <value>fc</value>
-    </param>
-    <param>
-      <key>samp_rate_in</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(272, 248)</value>
+      <value>(16, 227)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1072,10 +665,6 @@
       <value>1024</value>
     </param>
     <param>
-      <key>freqhalf</key>
-      <value>True</value>
-    </param>
-    <param>
       <key>wintype</key>
       <value>firdes.WIN_BLACKMAN_hARRIS</value>
     </param>
@@ -1124,22 +713,6 @@
       <value>True</value>
     </param>
     <param>
-      <key>tr_mode</key>
-      <value>qtgui.TRIG_MODE_FREE</value>
-    </param>
-    <param>
-      <key>tr_level</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>tr_chan</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>tr_tag</key>
-      <value>""</value>
-    </param>
-    <param>
       <key>label1</key>
       <value></value>
     </param>
@@ -1317,7 +890,418 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(264, 451)</value>
+      <value>(280, 187)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_clock_offset_control</key>
+    <param>
+      <key>id</key>
+      <value>gsm_clock_offset_control_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>fc</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(344, 411)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_receiver</key>
+    <param>
+      <key>id</key>
+      <value>gsm_receiver_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>osr</key>
+      <value>4</value>
+    </param>
+    <param>
+      <key>cell_allocation</key>
+      <value>[0]</value>
+    </param>
+    <param>
+      <key>tseq_nums</key>
+      <value>[]</value>
+    </param>
+    <param>
+      <key>num_streams</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(464, 288)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_universal_ctrl_chans_demapper</key>
+    <param>
+      <key>id</key>
+      <value>gsm_universal_ctrl_chans_demapper_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>starts_fn_mod51</key>
+      <value>[2,6,12,16,22,26,32,36,42,46]</value>
+    </param>
+    <param>
+      <key>channel_types</key>
+      <value>[BCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH]</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(656, 288)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_control_channels_decoder</key>
+    <param>
+      <key>id</key>
+      <value>gsm_control_channels_decoder_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(912, 288)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_message_printer</key>
+    <param>
+      <key>id</key>
+      <value>gsm_message_printer_1</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>prepend_string</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1152, 288)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>blocks_socket_pdu</key>
+    <param>
+      <key>id</key>
+      <value>blocks_socket_pdu_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>"UDP_CLIENT"</value>
+    </param>
+    <param>
+      <key>host</key>
+      <value>127.0.0.1</value>
+    </param>
+    <param>
+      <key>port</key>
+      <value>4729</value>
+    </param>
+    <param>
+      <key>mtu</key>
+      <value>10000</value>
+    </param>
+    <param>
+      <key>tcp_no_delay</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1152, 363)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>id</key>
+      <value>fc</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Frequency</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>939.4e6</value>
+    </param>
+    <param>
+      <key>start</key>
+      <value>925e6</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>960e6</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>2e5</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter_slider</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>min_len</key>
+      <value>100</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(304, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>id</key>
+      <value>ppm</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>PPM Offset</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>ppm_param</value>
+    </param>
+    <param>
+      <key>start</key>
+      <value>-150</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>150</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>min_len</key>
+      <value>100</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(440, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>parameter</key>
+    <param>
+      <key>id</key>
+      <value>ppm_param</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>ppm</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>intx</value>
+    </param>
+    <param>
+      <key>short_id</key>
+      <value>p</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(552, 27)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1325,8 +1309,44 @@
     </param>
   </block>
   <connection>
+    <source_block_id>gsm_receiver_0</source_block_id>
+    <sink_block_id>gsm_clock_offset_control_0</sink_block_id>
+    <source_key>measurements</source_key>
+    <sink_key>measurements</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_universal_ctrl_chans_demapper_0</source_block_id>
+    <sink_block_id>gsm_control_channels_decoder_0</sink_block_id>
+    <source_key>bursts</source_key>
+    <sink_key>bursts</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_control_channels_decoder_0</source_block_id>
+    <sink_block_id>blocks_socket_pdu_0</sink_block_id>
+    <source_key>msgs</source_key>
+    <sink_key>pdus</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_control_channels_decoder_0</source_block_id>
+    <sink_block_id>gsm_message_printer_1</sink_block_id>
+    <source_key>msgs</source_key>
+    <sink_key>msgs</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_receiver_0</source_block_id>
+    <sink_block_id>gsm_universal_ctrl_chans_demapper_0</sink_block_id>
+    <source_key>C0</source_key>
+    <sink_key>bursts</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_input_0</source_block_id>
+    <sink_block_id>gsm_receiver_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
     <source_block_id>rtlsdr_source_0</source_block_id>
-    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
+    <sink_block_id>gsm_input_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
@@ -1338,44 +1358,8 @@
   </connection>
   <connection>
     <source_block_id>rtlsdr_source_0</source_block_id>
-    <sink_block_id>gsm_input_0</sink_block_id>
+    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
-  <connection>
-    <source_block_id>gsm_input_0</source_block_id>
-    <sink_block_id>gsm_receiver_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_receiver_0</source_block_id>
-    <sink_block_id>gsm_universal_ctrl_chans_demapper_0</sink_block_id>
-    <source_key>C0</source_key>
-    <sink_key>bursts</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_control_channels_decoder_0</source_block_id>
-    <sink_block_id>gsm_message_printer_1</sink_block_id>
-    <source_key>msgs</source_key>
-    <sink_key>msgs</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_control_channels_decoder_0</source_block_id>
-    <sink_block_id>blocks_socket_pdu_0</sink_block_id>
-    <source_key>msgs</source_key>
-    <sink_key>pdus</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_universal_ctrl_chans_demapper_0</source_block_id>
-    <sink_block_id>gsm_control_channels_decoder_0</sink_block_id>
-    <source_key>bursts</source_key>
-    <sink_key>bursts</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_receiver_0</source_block_id>
-    <sink_block_id>gsm_clock_offset_control_0</sink_block_id>
-    <source_key>measurements</source_key>
-    <sink_key>measurements</sink_key>
-  </connection>
 </flow_graph>
diff --git a/apps/airprobe_usrp.grc b/apps/airprobe_usrp.grc
index 68ea3d1..4492da6 100644
--- a/apps/airprobe_usrp.grc
+++ b/apps/airprobe_usrp.grc
@@ -1,431 +1,7 @@
 <?xml version='1.0' encoding='ASCII'?>
-<?grc format='1' created='3.7.6'?>
+<?grc format='1' created='3.7.5'?>
 <flow_graph>
-  <timestamp>Thu Nov  6 14:43:18 2014</timestamp>
-  <block>
-    <key>options</key>
-    <param>
-      <key>id</key>
-      <value>airprobe_usrp</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value></value>
-    </param>
-    <param>
-      <key>author</key>
-      <value></value>
-    </param>
-    <param>
-      <key>description</key>
-      <value></value>
-    </param>
-    <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
-    </param>
-    <param>
-      <key>generate_options</key>
-      <value>qt_gui</value>
-    </param>
-    <param>
-      <key>category</key>
-      <value>Custom</value>
-    </param>
-    <param>
-      <key>run_options</key>
-      <value>run</value>
-    </param>
-    <param>
-      <key>run</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>max_nouts</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>realtime_scheduling</key>
-      <value></value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(0, -1)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>CHANNEL_UNKNOWN</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(600, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>CCCH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(800, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>AGCH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(928, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>BCCH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(736, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>PCH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>5</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(992, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>SDCCH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>6</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1056, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>RACH</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>3</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(864, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>100e6/100</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(-1, 160)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>fc</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>center_frequency</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>939.4e6</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>925e6</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>960e6</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>2e5</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter_slider</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(319, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>g</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>gain</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>30</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>50</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>0.5</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(207, 12)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_message_printer</key>
-    <param>
-      <key>id</key>
-      <value>gsm_message_printer_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1160, 272)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
+  <timestamp>Sat Dec 13 10:50:28 2014</timestamp>
   <block>
     <key>blocks_socket_pdu</key>
     <param>
@@ -482,274 +58,215 @@
     </param>
   </block>
   <block>
-    <key>qtgui_freq_sink_x</key>
+    <key>variable</key>
     <param>
       <key>id</key>
-      <value>qtgui_freq_sink_x_0</value>
+      <value>PCH</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>name</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>fftsize</key>
-      <value>1024</value>
-    </param>
-    <param>
-      <key>freqhalf</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
-    </param>
-    <param>
-      <key>fc</key>
-      <value>fc</value>
-    </param>
-    <param>
-      <key>bw</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>grid</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>autoscale</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>average</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>ymin</key>
-      <value>-140</value>
-    </param>
-    <param>
-      <key>ymax</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>nconnections</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>update_time</key>
-      <value>0.10</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
-    </param>
-    <param>
-      <key>showports</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>tr_mode</key>
-      <value>qtgui.TRIG_MODE_FREE</value>
-    </param>
-    <param>
-      <key>tr_level</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>tr_chan</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>tr_tag</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>label1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width1</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color1</key>
-      <value>"blue"</value>
-    </param>
-    <param>
-      <key>alpha1</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width2</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color2</key>
-      <value>"red"</value>
-    </param>
-    <param>
-      <key>alpha2</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width3</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color3</key>
-      <value>"green"</value>
-    </param>
-    <param>
-      <key>alpha3</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width4</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color4</key>
-      <value>"black"</value>
-    </param>
-    <param>
-      <key>alpha4</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width5</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color5</key>
-      <value>"cyan"</value>
-    </param>
-    <param>
-      <key>alpha5</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width6</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color6</key>
-      <value>"magenta"</value>
-    </param>
-    <param>
-      <key>alpha6</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width7</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color7</key>
-      <value>"yellow"</value>
-    </param>
-    <param>
-      <key>alpha7</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label8</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width8</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color8</key>
-      <value>"dark red"</value>
-    </param>
-    <param>
-      <key>alpha8</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label9</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width9</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color9</key>
-      <value>"dark green"</value>
-    </param>
-    <param>
-      <key>alpha9</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label10</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width10</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color10</key>
-      <value>"dark blue"</value>
-    </param>
-    <param>
-      <key>alpha10</key>
-      <value>1.0</value>
+      <key>value</key>
+      <value>5</value>
     </param>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>_coordinate</key>
+      <value>(1040, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>RACH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>3</value>
+    </param>
+    <param>
+      <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>_coordinate</key>
+      <value>(896, 11)</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
+      <key>_rotation</key>
       <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>AGCH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>4</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
     <param>
       <key>_coordinate</key>
-      <value>(282, 433)</value>
+      <value>(968, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>SDCCH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>6</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1112, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>CCCH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>2</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(824, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>BCCH</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(752, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>CHANNEL_UNKNOWN</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(608, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>100e6/100</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(16, 99)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -835,6 +352,187 @@
     </param>
   </block>
   <block>
+    <key>options</key>
+    <param>
+      <key>id</key>
+      <value>airprobe_usrp</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value></value>
+    </param>
+    <param>
+      <key>author</key>
+      <value></value>
+    </param>
+    <param>
+      <key>description</key>
+      <value></value>
+    </param>
+    <param>
+      <key>window_size</key>
+      <value>1280, 1024</value>
+    </param>
+    <param>
+      <key>generate_options</key>
+      <value>qt_gui</value>
+    </param>
+    <param>
+      <key>category</key>
+      <value>Custom</value>
+    </param>
+    <param>
+      <key>run_options</key>
+      <value>run</value>
+    </param>
+    <param>
+      <key>run</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>max_nouts</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>realtime_scheduling</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(16, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>id</key>
+      <value>g</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Gain</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>30</value>
+    </param>
+    <param>
+      <key>start</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>50</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>min_len</key>
+      <value>100</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(192, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>id</key>
+      <value>fc</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Frequency</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>939.4e6</value>
+    </param>
+    <param>
+      <key>start</key>
+      <value>925e6</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>960e6</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>2e5</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter_slider</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>min_len</key>
+      <value>100</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(304, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
     <key>variable_qtgui_range</key>
     <param>
       <key>id</key>
@@ -846,7 +544,7 @@
     </param>
     <param>
       <key>label</key>
-      <value>clock_correction [ppm]</value>
+      <value>PPM Offset</value>
     </param>
     <param>
       <key>value</key>
@@ -886,109 +584,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(462, 12)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_receiver</key>
-    <param>
-      <key>id</key>
-      <value>gsm_receiver_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>osr</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>cell_allocation</key>
-      <value>[0]</value>
-    </param>
-    <param>
-      <key>tseq_nums</key>
-      <value>[]</value>
-    </param>
-    <param>
-      <key>num_streams</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(434, 272)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_input</key>
-    <param>
-      <key>id</key>
-      <value>gsm_input_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>ppm</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>osr</key>
-      <value>4</value>
-    </param>
-    <param>
-      <key>fc</key>
-      <value>fc</value>
-    </param>
-    <param>
-      <key>samp_rate_in</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(256, 288)</value>
+      <value>(440, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1675,7 +1271,395 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 259)</value>
+      <value>(24, 259)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_input</key>
+    <param>
+      <key>id</key>
+      <value>gsm_input_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>ppm</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>osr</key>
+      <value>4</value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>fc</value>
+    </param>
+    <param>
+      <key>samp_rate_in</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(264, 288)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>qtgui_freq_sink_x</key>
+    <param>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>name</key>
+      <value>""</value>
+    </param>
+    <param>
+      <key>fftsize</key>
+      <value>1024</value>
+    </param>
+    <param>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>fc</value>
+    </param>
+    <param>
+      <key>bw</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>grid</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>autoscale</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>average</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-140</value>
+    </param>
+    <param>
+      <key>ymax</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>nconnections</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>showports</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width1</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>"blue"</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width2</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color2</key>
+      <value>"red"</value>
+    </param>
+    <param>
+      <key>alpha2</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width3</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color3</key>
+      <value>"green"</value>
+    </param>
+    <param>
+      <key>alpha3</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width4</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color4</key>
+      <value>"black"</value>
+    </param>
+    <param>
+      <key>alpha4</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label5</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width5</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color5</key>
+      <value>"cyan"</value>
+    </param>
+    <param>
+      <key>alpha5</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width6</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color6</key>
+      <value>"magenta"</value>
+    </param>
+    <param>
+      <key>alpha6</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label7</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width7</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color7</key>
+      <value>"yellow"</value>
+    </param>
+    <param>
+      <key>alpha7</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label8</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width8</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color8</key>
+      <value>"dark red"</value>
+    </param>
+    <param>
+      <key>alpha8</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label9</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width9</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color9</key>
+      <value>"dark green"</value>
+    </param>
+    <param>
+      <key>alpha9</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label10</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width10</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color10</key>
+      <value>"dark blue"</value>
+    </param>
+    <param>
+      <key>alpha10</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(264, 179)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_receiver</key>
+    <param>
+      <key>id</key>
+      <value>gsm_receiver_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>osr</key>
+      <value>4</value>
+    </param>
+    <param>
+      <key>cell_allocation</key>
+      <value>[0]</value>
+    </param>
+    <param>
+      <key>tseq_nums</key>
+      <value>[]</value>
+    </param>
+    <param>
+      <key>num_streams</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(448, 272)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_message_printer</key>
+    <param>
+      <key>id</key>
+      <value>gsm_message_printer_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>prepend_string</key>
+      <value></value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1144, 272)</value>
     </param>
     <param>
       <key>_rotation</key>
diff --git a/examples/experimental_receiver_components_test.grc b/examples/experimental_receiver_components_test.grc
index c733858..18747d6 100644
--- a/examples/experimental_receiver_components_test.grc
+++ b/examples/experimental_receiver_components_test.grc
@@ -1,12 +1,12 @@
 <?xml version='1.0' encoding='ASCII'?>
-<?grc format='1' created='3.7.6'?>
+<?grc format='1' created='3.7.5'?>
 <flow_graph>
-  <timestamp>Wed Aug 13 14:23:19 2014</timestamp>
+  <timestamp>Sat Dec 13 10:45:10 2014</timestamp>
   <block>
     <key>options</key>
     <param>
       <key>id</key>
-      <value>test_rtl_taggery_pythonowe</value>
+      <value>rtl_grgsm_receiver_experimental</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -58,34 +58,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(10, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>samp_rate2</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>13e6/12</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(21, 245)</value>
+      <value>(16, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -112,7 +85,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(10, 169)</value>
+      <value>(384, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -120,93 +93,26 @@
     </param>
   </block>
   <block>
-    <key>blocks_null_sink</key>
+    <key>variable</key>
     <param>
       <key>id</key>
-      <value>blocks_null_sink_0</value>
+      <value>samp_rate2</value>
     </param>
     <param>
       <key>_enabled</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>bus_conns</key>
-      <value>[[0,],]</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(927, 140)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_tag_debug</key>
-    <param>
-      <key>id</key>
-      <value>blocks_tag_debug_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>name</key>
-      <value></value>
-    </param>
-    <param>
-      <key>filter</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>display</key>
       <value>True</value>
     </param>
     <param>
+      <key>value</key>
+      <value>13e6/12</value>
+    </param>
+    <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
       <key>_coordinate</key>
-      <value>(1012, 103)</value>
+      <value>(488, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -245,7 +151,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(253, 34)</value>
+      <value>(216, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -304,66 +210,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(764, 42)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>g</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>g</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>start</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>stop</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>step</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>widget</key>
-      <value>counter_slider</value>
-    </param>
-    <param>
-      <key>orient</key>
-      <value>Qt.Horizontal</value>
-    </param>
-    <param>
-      <key>min_len</key>
-      <value>200</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value></value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(619, 45)</value>
+      <value>(928, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -422,7 +269,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(472, 52)</value>
+      <value>(664, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -430,509 +277,58 @@
     </param>
   </block>
   <block>
-    <key>fractional_resampler_xx</key>
+    <key>variable_qtgui_range</key>
     <param>
       <key>id</key>
-      <value>fractional_resampler_xx_0</value>
+      <value>g</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>label</key>
+      <value>g</value>
     </param>
     <param>
-      <key>phase_shift</key>
+      <key>value</key>
+      <value>20</value>
+    </param>
+    <param>
+      <key>start</key>
       <value>0</value>
     </param>
     <param>
-      <key>resamp_ratio</key>
-      <value>samp_rate/samp_rate2</value>
+      <key>stop</key>
+      <value>100</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(417, 249)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>low_pass_filter</key>
-    <param>
-      <key>id</key>
-      <value>low_pass_filter_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>fir_filter_ccf</value>
-    </param>
-    <param>
-      <key>decim</key>
+      <key>step</key>
       <value>1</value>
     </param>
     <param>
-      <key>interp</key>
-      <value>1</value>
+      <key>widget</key>
+      <value>counter_slider</value>
     </param>
     <param>
-      <key>gain</key>
-      <value>1</value>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>cutoff_freq</key>
-      <value>200e3</value>
-    </param>
-    <param>
-      <key>width</key>
-      <value>10e3</value>
-    </param>
-    <param>
-      <key>win</key>
-      <value>firdes.WIN_HAMMING</value>
-    </param>
-    <param>
-      <key>beta</key>
-      <value>6.76</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(250, 197)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>qtgui_freq_sink_x</key>
-    <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>name</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>fftsize</key>
-      <value>1024</value>
-    </param>
-    <param>
-      <key>freqhalf</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
-    </param>
-    <param>
-      <key>fc</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>bw</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>grid</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>autoscale</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>average</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>ymin</key>
-      <value>-140</value>
-    </param>
-    <param>
-      <key>ymax</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>nconnections</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>update_time</key>
-      <value>0.10</value>
+      <key>min_len</key>
+      <value>200</value>
     </param>
     <param>
       <key>gui_hint</key>
       <value></value>
     </param>
     <param>
-      <key>showports</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>tr_mode</key>
-      <value>qtgui.TRIG_MODE_FREE</value>
-    </param>
-    <param>
-      <key>tr_level</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>tr_chan</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>tr_tag</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>label1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width1</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color1</key>
-      <value>"blue"</value>
-    </param>
-    <param>
-      <key>alpha1</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width2</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color2</key>
-      <value>"red"</value>
-    </param>
-    <param>
-      <key>alpha2</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width3</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color3</key>
-      <value>"green"</value>
-    </param>
-    <param>
-      <key>alpha3</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width4</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color4</key>
-      <value>"black"</value>
-    </param>
-    <param>
-      <key>alpha4</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width5</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color5</key>
-      <value>"cyan"</value>
-    </param>
-    <param>
-      <key>alpha5</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width6</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color6</key>
-      <value>"magenta"</value>
-    </param>
-    <param>
-      <key>alpha6</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width7</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color7</key>
-      <value>"yellow"</value>
-    </param>
-    <param>
-      <key>alpha7</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label8</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width8</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color8</key>
-      <value>"dark red"</value>
-    </param>
-    <param>
-      <key>alpha8</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label9</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width9</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color9</key>
-      <value>"dark green"</value>
-    </param>
-    <param>
-      <key>alpha9</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>label10</key>
-      <value></value>
-    </param>
-    <param>
-      <key>width10</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>color10</key>
-      <value>"dark blue"</value>
-    </param>
-    <param>
-      <key>alpha10</key>
-      <value>1.0</value>
-    </param>
-    <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
       <key>_coordinate</key>
-      <value>(287, 419)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>blocks_complex_to_mag</key>
-    <param>
-      <key>id</key>
-      <value>blocks_complex_to_mag_0_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(866, 460)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_fcch_detector</key>
-    <param>
-      <key>id</key>
-      <value>gsm_fcch_detector_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>OSR</key>
-      <value>OSR</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(623, 263)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gsm_sch_detector</key>
-    <param>
-      <key>id</key>
-      <value>gsm_sch_detector_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>OSR</key>
-      <value>OSR</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(818, 263)</value>
+      <value>(808, 11)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -971,7 +367,124 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(968, 267)</value>
+      <value>(912, 248)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_sch_detector</key>
+    <param>
+      <key>id</key>
+      <value>gsm_sch_detector_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>OSR</key>
+      <value>OSR</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(720, 243)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>blocks_complex_to_mag</key>
+    <param>
+      <key>id</key>
+      <value>blocks_complex_to_mag_0_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(728, 320)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_fcch_detector</key>
+    <param>
+      <key>id</key>
+      <value>gsm_fcch_detector_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>OSR</key>
+      <value>OSR</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(504, 243)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1318,7 +831,54 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1123, 415)</value>
+      <value>(1120, 275)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>fractional_resampler_xx</key>
+    <param>
+      <key>id</key>
+      <value>fractional_resampler_xx_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>phase_shift</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>resamp_ratio</key>
+      <value>samp_rate/samp_rate2</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(448, 312)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1344,78 +904,6 @@
       <value></value>
     </param>
     <param>
-      <key>sync</key>
-      <value></value>
-    </param>
-    <param>
-      <key>num_mboards</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>clock_source0</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source0</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source7</key>
-      <value></value>
-    </param>
-    <param>
       <key>nchan</key>
       <value>1</value>
     </param>
@@ -1624,1084 +1112,75 @@
       <value>0</value>
     </param>
     <param>
-      <key>freq5</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr5</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode5</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode5</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode5</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain5</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain5</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain5</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant5</key>
+      <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>bw5</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq6</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr6</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode6</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode6</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode6</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain6</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain6</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain6</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant6</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>bw6</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>freq7</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr7</key>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>dc_offset_mode7</key>
-      <value>0</value>
+      <key>_coordinate</key>
+      <value>(16, 235)</value>
     </param>
     <param>
-      <key>iq_balance_mode7</key>
+      <key>_rotation</key>
       <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>low_pass_filter</key>
     <param>
-      <key>gain_mode7</key>
-      <value>False</value>
+      <key>id</key>
+      <value>low_pass_filter_0</value>
     </param>
     <param>
-      <key>gain7</key>
-      <value>10</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>if_gain7</key>
-      <value>20</value>
+      <key>type</key>
+      <value>fir_filter_ccf</value>
     </param>
     <param>
-      <key>bb_gain7</key>
-      <value>20</value>
+      <key>decim</key>
+      <value>1</value>
     </param>
     <param>
-      <key>ant7</key>
-      <value></value>
+      <key>interp</key>
+      <value>1</value>
     </param>
     <param>
-      <key>bw7</key>
-      <value>0</value>
+      <key>gain</key>
+      <value>1</value>
     </param>
     <param>
-      <key>freq8</key>
-      <value>100e6</value>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
     </param>
     <param>
-      <key>corr8</key>
-      <value>0</value>
+      <key>cutoff_freq</key>
+      <value>200e3</value>
     </param>
     <param>
-      <key>dc_offset_mode8</key>
-      <value>0</value>
+      <key>width</key>
+      <value>10e3</value>
     </param>
     <param>
-      <key>iq_balance_mode8</key>
-      <value>0</value>
+      <key>win</key>
+      <value>firdes.WIN_HAMMING</value>
     </param>
     <param>
-      <key>gain_mode8</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain8</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain8</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain8</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant8</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw8</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq9</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr9</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode9</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode9</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode9</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain9</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain9</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain9</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant9</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw9</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq10</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr10</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode10</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode10</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode10</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain10</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain10</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain10</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant10</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw10</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq11</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr11</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode11</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode11</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode11</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain11</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain11</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain11</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant11</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw11</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq12</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr12</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode12</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode12</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode12</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain12</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain12</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain12</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant12</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw12</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq13</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr13</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode13</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode13</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode13</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain13</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain13</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain13</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant13</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw13</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq14</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr14</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode14</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode14</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode14</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain14</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain14</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain14</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant14</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw14</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq15</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr15</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode15</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode15</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode15</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain15</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain15</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain15</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant15</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw15</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq16</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr16</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode16</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode16</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode16</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain16</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain16</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain16</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant16</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw16</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq17</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr17</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode17</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode17</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode17</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain17</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain17</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain17</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant17</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw17</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq18</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr18</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode18</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode18</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode18</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain18</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain18</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain18</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant18</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw18</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq19</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr19</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode19</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode19</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode19</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain19</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain19</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain19</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant19</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw19</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq20</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr20</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode20</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode20</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode20</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain20</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain20</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain20</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant20</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw20</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq21</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr21</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode21</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode21</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode21</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain21</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain21</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain21</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant21</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw21</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq22</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr22</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode22</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode22</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode22</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain22</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain22</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain22</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant22</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw22</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq23</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr23</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode23</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode23</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode23</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain23</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain23</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain23</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant23</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw23</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq24</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr24</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode24</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode24</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode24</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain24</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain24</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain24</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant24</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw24</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq25</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr25</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode25</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode25</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode25</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain25</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain25</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain25</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant25</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw25</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq26</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr26</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode26</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode26</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode26</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain26</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain26</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain26</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant26</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw26</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq27</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr27</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode27</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode27</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode27</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain27</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain27</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain27</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant27</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw27</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq28</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr28</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode28</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode28</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode28</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain28</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain28</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain28</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant28</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw28</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq29</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr29</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode29</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode29</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode29</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain29</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain29</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain29</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant29</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw29</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq30</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr30</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode30</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode30</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode30</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain30</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain30</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain30</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant30</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw30</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>freq31</key>
-      <value>100e6</value>
-    </param>
-    <param>
-      <key>corr31</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>dc_offset_mode31</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>iq_balance_mode31</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain_mode31</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>gain31</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>if_gain31</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>bb_gain31</key>
-      <value>20</value>
-    </param>
-    <param>
-      <key>ant31</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw31</key>
-      <value>0</value>
+      <key>beta</key>
+      <value>6.76</value>
     </param>
     <param>
       <key>alias</key>
@@ -2721,7 +1200,289 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(-2, 363)</value>
+      <value>(256, 259)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>qtgui_freq_sink_x</key>
+    <param>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>name</key>
+      <value>""</value>
+    </param>
+    <param>
+      <key>fftsize</key>
+      <value>1024</value>
+    </param>
+    <param>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>bw</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>grid</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>autoscale</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>average</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-140</value>
+    </param>
+    <param>
+      <key>ymax</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>nconnections</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>showports</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width1</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>"blue"</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width2</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color2</key>
+      <value>"red"</value>
+    </param>
+    <param>
+      <key>alpha2</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width3</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color3</key>
+      <value>"green"</value>
+    </param>
+    <param>
+      <key>alpha3</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width4</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color4</key>
+      <value>"black"</value>
+    </param>
+    <param>
+      <key>alpha4</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label5</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width5</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color5</key>
+      <value>"cyan"</value>
+    </param>
+    <param>
+      <key>alpha5</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width6</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color6</key>
+      <value>"magenta"</value>
+    </param>
+    <param>
+      <key>alpha6</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label7</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width7</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color7</key>
+      <value>"yellow"</value>
+    </param>
+    <param>
+      <key>alpha7</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label8</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width8</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color8</key>
+      <value>"dark red"</value>
+    </param>
+    <param>
+      <key>alpha8</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label9</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width9</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color9</key>
+      <value>"dark green"</value>
+    </param>
+    <param>
+      <key>alpha9</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label10</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width10</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color10</key>
+      <value>"dark blue"</value>
+    </param>
+    <param>
+      <key>alpha10</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(256, 163)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>note</key>
+    <param>
+      <key>id</key>
+      <value>note_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>note</key>
+      <value>Intentionally avoid gr-gsm input adapter block</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(424, 411)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2729,8 +1490,32 @@
     </param>
   </block>
   <connection>
-    <source_block_id>rtlsdr_source_0</source_block_id>
-    <sink_block_id>low_pass_filter_0</sink_block_id>
+    <source_block_id>blocks_complex_to_mag_0</source_block_id>
+    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_sch_detector_0</source_block_id>
+    <sink_block_id>blocks_complex_to_mag_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>blocks_complex_to_mag_0_0</source_block_id>
+    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>1</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_fcch_detector_0</source_block_id>
+    <sink_block_id>blocks_complex_to_mag_0_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gsm_fcch_detector_0</source_block_id>
+    <sink_block_id>gsm_sch_detector_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
@@ -2748,38 +1533,14 @@
   </connection>
   <connection>
     <source_block_id>rtlsdr_source_0</source_block_id>
+    <sink_block_id>low_pass_filter_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>rtlsdr_source_0</source_block_id>
     <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
-  <connection>
-    <source_block_id>gsm_fcch_detector_0</source_block_id>
-    <sink_block_id>gsm_sch_detector_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_fcch_detector_0</source_block_id>
-    <sink_block_id>blocks_complex_to_mag_0_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_complex_to_mag_0_0</source_block_id>
-    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>1</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gsm_sch_detector_0</source_block_id>
-    <sink_block_id>blocks_complex_to_mag_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_complex_to_mag_0</source_block_id>
-    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
 </flow_graph>