diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt
index 83eb260..ce8b205 100644
--- a/apps/CMakeLists.txt
+++ b/apps/CMakeLists.txt
@@ -26,7 +26,6 @@
 #    ${PYFILES}
     airprobe_file.py
     airprobe_rtlsdr.py
-    airprobe_usrp.py
 
     DESTINATION bin
 )
diff --git a/apps/airprobe_usrp.grc b/apps/airprobe_usrp.grc
deleted file mode 100644
index 08ec368..0000000
--- a/apps/airprobe_usrp.grc
+++ /dev/null
@@ -1,1762 +0,0 @@
-<?xml version='1.0' encoding='ASCII'?>
-<?grc format='1' created='3.7.6'?>
-<flow_graph>
-  <timestamp>Sat Dec 13 10:50:28 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>2280, 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</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>(632, 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>(1064, 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>(920, 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>(992, 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>
-    </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>(776, 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>(1136, 11)</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>(1145, 343)</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>(916, 272)</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>(648, 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>(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>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>
-    </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_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>
-      <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>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>g_slider</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Gain</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>gain</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>(176, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_qtgui_range</key>
-    <param>
-      <key>id</key>
-      <value>fc_slider</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Frequency</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>fc</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>(288, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>parameter</key>
-    <param>
-      <key>id</key>
-      <value>gain</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>type</key>
-      <value>eng_float</value>
-    </param>
-    <param>
-      <key>short_id</key>
-      <value>g</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(424, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>parameter</key>
-    <param>
-      <key>id</key>
-      <value>fc</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>fc</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>939.4e6</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>eng_float</value>
-    </param>
-    <param>
-      <key>short_id</key>
-      <value>f</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(504, 11)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>uhd_usrp_source</key>
-    <param>
-      <key>id</key>
-      <value>uhd_usrp_source_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>fc32</value>
-    </param>
-    <param>
-      <key>otw</key>
-      <value></value>
-    </param>
-    <param>
-      <key>stream_args</key>
-      <value></value>
-    </param>
-    <param>
-      <key>stream_chans</key>
-      <value>[]</value>
-    </param>
-    <param>
-      <key>dev_addr</key>
-      <value>addr=192.168.10.2</value>
-    </param>
-    <param>
-      <key>dev_args</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>sync</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_rate</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>num_mboards</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>clock_source0</key>
-      <value>internal</value>
-    </param>
-    <param>
-      <key>time_source0</key>
-      <value></value>
-    </param>
-    <param>
-      <key>sd_spec0</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>sd_spec1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>sd_spec2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>sd_spec3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>sd_spec4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>sd_spec5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>sd_spec6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>clock_source7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>time_source7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>sd_spec7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>nchan</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>center_freq0</key>
-      <value>fc_slider</value>
-    </param>
-    <param>
-      <key>gain0</key>
-      <value>g_slider</value>
-    </param>
-    <param>
-      <key>ant0</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw0</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq1</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain1</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant1</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw1</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq2</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain2</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant2</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw2</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq3</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain3</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant3</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw3</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq4</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain4</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant4</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw4</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq5</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain5</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant5</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw5</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq6</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain6</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant6</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw6</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq7</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain7</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant7</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw7</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq8</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain8</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant8</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw8</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq9</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain9</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant9</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw9</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq10</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain10</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant10</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw10</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq11</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain11</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant11</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw11</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq12</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain12</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant12</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw12</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq13</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain13</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant13</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw13</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq14</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain14</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant14</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw14</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq15</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain15</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant15</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw15</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq16</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain16</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant16</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw16</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq17</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain17</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant17</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw17</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq18</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain18</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant18</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw18</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq19</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain19</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant19</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw19</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq20</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain20</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant20</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw20</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq21</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain21</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant21</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw21</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq22</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain22</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant22</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw22</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq23</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain23</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant23</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw23</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq24</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain24</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant24</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw24</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq25</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain25</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant25</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw25</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq26</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain26</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant26</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw26</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq27</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain27</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant27</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw27</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq28</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain28</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant28</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw28</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq29</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain29</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant29</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw29</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq30</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain30</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant30</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw30</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>center_freq31</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>gain31</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>ant31</key>
-      <value></value>
-    </param>
-    <param>
-      <key>bw31</key>
-      <value>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>(24, 259)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>parameter</key>
-    <param>
-      <key>id</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>2000000.052982</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>eng_float</value>
-    </param>
-    <param>
-      <key>short_id</key>
-      <value>s</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(16, 83)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <connection>
-    <source_block_id>uhd_usrp_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_control_channels_decoder_0</source_block_id>
-    <sink_block_id>gsm_message_printer_0</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>uhd_usrp_source_0</source_block_id>
-    <sink_block_id>gsm_input_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_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>
-</flow_graph>
diff --git a/apps/airprobe_usrp.py b/apps/airprobe_usrp.py
deleted file mode 100644
index 2daabca..0000000
--- a/apps/airprobe_usrp.py
+++ /dev/null
@@ -1,302 +0,0 @@
-#!/usr/bin/env python
-##################################################
-# Gnuradio Python Flow Graph
-# Title: Airprobe Usrp
-# Generated: Sat Feb  7 19:31:03 2015
-##################################################
-
-from PyQt4 import Qt
-from PyQt4.QtCore import QObject, pyqtSlot
-from gnuradio import blocks
-from gnuradio import eng_notation
-from gnuradio import gr
-from gnuradio import qtgui
-from gnuradio import uhd
-from gnuradio.eng_option import eng_option
-from gnuradio.filter import firdes
-from optparse import OptionParser
-import PyQt4.Qwt5 as Qwt
-import grgsm
-import pmt
-import sip
-import sys
-import time
-
-from distutils.version import StrictVersion
-class airprobe_usrp(gr.top_block, Qt.QWidget):
-
-    def __init__(self, gain=30, fc=939.4e6, samp_rate=2000000.052982):
-        gr.top_block.__init__(self, "Airprobe Usrp")
-        Qt.QWidget.__init__(self)
-        self.setWindowTitle("Airprobe Usrp")
-        try:
-             self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
-        except:
-             pass
-        self.top_scroll_layout = Qt.QVBoxLayout()
-        self.setLayout(self.top_scroll_layout)
-        self.top_scroll = Qt.QScrollArea()
-        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
-        self.top_scroll_layout.addWidget(self.top_scroll)
-        self.top_scroll.setWidgetResizable(True)
-        self.top_widget = Qt.QWidget()
-        self.top_scroll.setWidget(self.top_widget)
-        self.top_layout = Qt.QVBoxLayout(self.top_widget)
-        self.top_grid_layout = Qt.QGridLayout()
-        self.top_layout.addLayout(self.top_grid_layout)
-
-        self.settings = Qt.QSettings("GNU Radio", "airprobe_usrp")
-        self.restoreGeometry(self.settings.value("geometry").toByteArray())
-
-
-        ##################################################
-        # Parameters
-        ##################################################
-        self.gain = gain
-        self.fc = fc
-        self.samp_rate = samp_rate
-
-        ##################################################
-        # Variables
-        ##################################################
-        self.g_slider = g_slider = gain
-        self.fc_slider = fc_slider = fc
-        self.SDCCH = SDCCH = 6
-        self.RACH = RACH = 3
-        self.PCH = PCH = 5
-        self.CHANNEL_UNKNOWN = CHANNEL_UNKNOWN = 0
-        self.CCCH = CCCH = 2
-        self.BCCH = BCCH = 1
-        self.AGCH = AGCH = 4
-
-        ##################################################
-        # Blocks
-        ##################################################
-        self._g_slider_layout = Qt.QHBoxLayout()
-        self._g_slider_layout.addWidget(Qt.QLabel("Gain"+": "))
-        class qwt_counter_pyslot(Qwt.QwtCounter):
-            def __init__(self, parent=None):
-                Qwt.QwtCounter.__init__(self, parent)
-            @pyqtSlot('double')
-            def setValue(self, value):
-                super(Qwt.QwtCounter, self).setValue(value)
-        self._g_slider_counter = qwt_counter_pyslot()
-        self._g_slider_counter.setRange(0, 50, 0.5)
-        self._g_slider_counter.setNumButtons(2)
-        self._g_slider_counter.setMinimumWidth(100)
-        self._g_slider_counter.setValue(self.g_slider)
-        self._g_slider_layout.addWidget(self._g_slider_counter)
-        self._g_slider_counter.valueChanged.connect(self.set_g_slider)
-        self.top_layout.addLayout(self._g_slider_layout)
-        self._fc_slider_layout = Qt.QVBoxLayout()
-        self._fc_slider_tool_bar = Qt.QToolBar(self)
-        self._fc_slider_layout.addWidget(self._fc_slider_tool_bar)
-        self._fc_slider_tool_bar.addWidget(Qt.QLabel("Frequency"+": "))
-        class qwt_counter_pyslot(Qwt.QwtCounter):
-            def __init__(self, parent=None):
-                Qwt.QwtCounter.__init__(self, parent)
-            @pyqtSlot('double')
-            def setValue(self, value):
-                super(Qwt.QwtCounter, self).setValue(value)
-        self._fc_slider_counter = qwt_counter_pyslot()
-        self._fc_slider_counter.setRange(925e6, 960e6, 2e5)
-        self._fc_slider_counter.setNumButtons(2)
-        self._fc_slider_counter.setValue(self.fc_slider)
-        self._fc_slider_tool_bar.addWidget(self._fc_slider_counter)
-        self._fc_slider_counter.valueChanged.connect(self.set_fc_slider)
-        self._fc_slider_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
-        self._fc_slider_slider.setRange(925e6, 960e6, 2e5)
-        self._fc_slider_slider.setValue(self.fc_slider)
-        self._fc_slider_slider.setMinimumWidth(100)
-        self._fc_slider_slider.valueChanged.connect(self.set_fc_slider)
-        self._fc_slider_layout.addWidget(self._fc_slider_slider)
-        self.top_layout.addLayout(self._fc_slider_layout)
-        self.uhd_usrp_source_0 = uhd.usrp_source(
-        	",".join(("addr=192.168.10.2", "")),
-        	uhd.stream_args(
-        		cpu_format="fc32",
-        		channels=range(1),
-        	),
-        )
-        self.uhd_usrp_source_0.set_clock_source("internal", 0)
-        self.uhd_usrp_source_0.set_samp_rate(samp_rate)
-        self.uhd_usrp_source_0.set_center_freq(fc_slider, 0)
-        self.uhd_usrp_source_0.set_gain(g_slider, 0)
-        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
-        	1024, #size
-        	firdes.WIN_BLACKMAN_hARRIS, #wintype
-        	fc, #fc
-        	samp_rate, #bw
-        	"", #name
-        	1 #number of inputs
-        )
-        self.qtgui_freq_sink_x_0.set_update_time(0.10)
-        self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
-        self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
-        self.qtgui_freq_sink_x_0.enable_autoscale(False)
-        self.qtgui_freq_sink_x_0.enable_grid(False)
-        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
-        
-        if complex == type(float()):
-          self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
-        
-        labels = ["", "", "", "", "",
-                  "", "", "", "", ""]
-        widths = [1, 1, 1, 1, 1,
-                  1, 1, 1, 1, 1]
-        colors = ["blue", "red", "green", "black", "cyan",
-                  "magenta", "yellow", "dark red", "dark green", "dark blue"]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-                  1.0, 1.0, 1.0, 1.0, 1.0]
-        for i in xrange(1):
-            if len(labels[i]) == 0:
-                self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
-            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
-            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
-            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
-        
-        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
-        self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
-        self.gsm_universal_ctrl_chans_demapper_0 = grgsm.universal_ctrl_chans_demapper(0, ([2,6,12,16,22,26,32,36,42,46]), ([BCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH,CCCH]))
-        self.gsm_receiver_0 = grgsm.receiver(4, ([0]), ([]))
-        self.gsm_message_printer_0 = grgsm.message_printer(pmt.intern(""))
-        self.gsm_input_0 = grgsm.gsm_input(
-            ppm=0,
-            osr=4,
-            fc=fc,
-            samp_rate_in=samp_rate,
-        )
-        self.gsm_control_channels_decoder_0 = grgsm.control_channels_decoder()
-        self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000)
-
-        ##################################################
-        # Connections
-        ##################################################
-        self.msg_connect(self.gsm_control_channels_decoder_0, 'msgs', self.blocks_socket_pdu_0, 'pdus')    
-        self.msg_connect(self.gsm_control_channels_decoder_0, 'msgs', self.gsm_message_printer_0, 'msgs')    
-        self.msg_connect(self.gsm_receiver_0, 'C0', self.gsm_universal_ctrl_chans_demapper_0, 'bursts')    
-        self.msg_connect(self.gsm_universal_ctrl_chans_demapper_0, 'bursts', self.gsm_control_channels_decoder_0, 'bursts')    
-        self.connect((self.gsm_input_0, 0), (self.gsm_receiver_0, 0))    
-        self.connect((self.uhd_usrp_source_0, 0), (self.gsm_input_0, 0))    
-        self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_freq_sink_x_0, 0))    
-
-    def closeEvent(self, event):
-        self.settings = Qt.QSettings("GNU Radio", "airprobe_usrp")
-        self.settings.setValue("geometry", self.saveGeometry())
-        event.accept()
-
-    def get_gain(self):
-        return self.gain
-
-    def set_gain(self, gain):
-        self.gain = gain
-        self.set_g_slider(self.gain)
-
-    def get_fc(self):
-        return self.fc
-
-    def set_fc(self, fc):
-        self.fc = fc
-        self.gsm_input_0.set_fc(self.fc)
-        self.qtgui_freq_sink_x_0.set_frequency_range(self.fc, self.samp_rate)
-        self.set_fc_slider(self.fc)
-
-    def get_samp_rate(self):
-        return self.samp_rate
-
-    def set_samp_rate(self, samp_rate):
-        self.samp_rate = samp_rate
-        self.gsm_input_0.set_samp_rate_in(self.samp_rate)
-        self.qtgui_freq_sink_x_0.set_frequency_range(self.fc, self.samp_rate)
-        self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)
-
-    def get_g_slider(self):
-        return self.g_slider
-
-    def set_g_slider(self, g_slider):
-        self.g_slider = g_slider
-        Qt.QMetaObject.invokeMethod(self._g_slider_counter, "setValue", Qt.Q_ARG("double", self.g_slider))
-        self.uhd_usrp_source_0.set_gain(self.g_slider, 0)
-
-    def get_fc_slider(self):
-        return self.fc_slider
-
-    def set_fc_slider(self, fc_slider):
-        self.fc_slider = fc_slider
-        Qt.QMetaObject.invokeMethod(self._fc_slider_counter, "setValue", Qt.Q_ARG("double", self.fc_slider))
-        Qt.QMetaObject.invokeMethod(self._fc_slider_slider, "setValue", Qt.Q_ARG("double", self.fc_slider))
-        self.uhd_usrp_source_0.set_center_freq(self.fc_slider, 0)
-
-    def get_SDCCH(self):
-        return self.SDCCH
-
-    def set_SDCCH(self, SDCCH):
-        self.SDCCH = SDCCH
-
-    def get_RACH(self):
-        return self.RACH
-
-    def set_RACH(self, RACH):
-        self.RACH = RACH
-
-    def get_PCH(self):
-        return self.PCH
-
-    def set_PCH(self, PCH):
-        self.PCH = PCH
-
-    def get_CHANNEL_UNKNOWN(self):
-        return self.CHANNEL_UNKNOWN
-
-    def set_CHANNEL_UNKNOWN(self, CHANNEL_UNKNOWN):
-        self.CHANNEL_UNKNOWN = CHANNEL_UNKNOWN
-
-    def get_CCCH(self):
-        return self.CCCH
-
-    def set_CCCH(self, CCCH):
-        self.CCCH = CCCH
-
-    def get_BCCH(self):
-        return self.BCCH
-
-    def set_BCCH(self, BCCH):
-        self.BCCH = BCCH
-
-    def get_AGCH(self):
-        return self.AGCH
-
-    def set_AGCH(self, AGCH):
-        self.AGCH = AGCH
-
-if __name__ == '__main__':
-    import ctypes
-    import sys
-    if sys.platform.startswith('linux'):
-        try:
-            x11 = ctypes.cdll.LoadLibrary('libX11.so')
-            x11.XInitThreads()
-        except:
-            print "Warning: failed to XInitThreads()"
-    parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
-    parser.add_option("-g", "--gain", dest="gain", type="eng_float", default=eng_notation.num_to_str(30),
-        help="Set gain [default=%default]")
-    parser.add_option("-f", "--fc", dest="fc", type="eng_float", default=eng_notation.num_to_str(939.4e6),
-        help="Set fc [default=%default]")
-    parser.add_option("-s", "--samp-rate", dest="samp_rate", type="eng_float", default=eng_notation.num_to_str(2000000.052982),
-        help="Set samp_rate [default=%default]")
-    (options, args) = parser.parse_args()
-    if(StrictVersion(Qt.qVersion()) >= StrictVersion("4.5.0")):
-        Qt.QApplication.setGraphicsSystem(gr.prefs().get_string('qtgui','style','raster'))
-    qapp = Qt.QApplication(sys.argv)
-    tb = airprobe_usrp(gain=options.gain, fc=options.fc, samp_rate=options.samp_rate)
-    tb.start()
-    tb.show()
-    def quitting():
-        tb.stop()
-        tb.wait()
-    qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting)
-    qapp.exec_()
-    tb = None #to clean up Qt widgets