diff --git a/hier_blocks/demapping/gsm_sdcch8_demapper.grc b/hier_blocks/demapping/gsm_sdcch8_demapper.grc
index f2d331d..d9496cb 100644
--- a/hier_blocks/demapping/gsm_sdcch8_demapper.grc
+++ b/hier_blocks/demapping/gsm_sdcch8_demapper.grc
@@ -121,7 +121,7 @@
     </param>
     <param>
       <key>downlink_channel_types</key>
-      <value>[8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,0,0,0,]</value>
+      <value>[8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,0,0,0]</value>
     </param>
     <param>
       <key>downlink_starts_fn_mod51</key>
@@ -129,7 +129,7 @@
     </param>
     <param>
       <key>downlink_subslots</key>
-      <value>[0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,]</value>
+      <value>[0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0]</value>
     </param>
     <param>
       <key>timeslot_nr</key>
@@ -137,15 +137,15 @@
     </param>
     <param>
       <key>uplink_channel_types</key>
-      <value>[136,136,136,136,136,136,136,136,136,136,136,136,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,136,136,136,136,]</value>
-    </param>
-    <param>
-      <key>uplink_starts_fn_mod51</key>
       <value>[136,136,136,136,136,136,136,136,136,136,136,136,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,136,136,136,136]</value>
     </param>
     <param>
+      <key>uplink_starts_fn_mod51</key>
+      <value>[0,0,0,0,4,4,4,4,8,8,8,8,0,0,0,15,15,15,15,19,19,19,19,23,23,23,23,27,27,27,27,31,31,31,31,35,35,35,35,39,39,39,39,43,43,43,43,47,47,47,47]</value>
+    </param>
+    <param>
       <key>uplink_subslots</key>
-      <value>[1,1,1,1,2,2,2,2,3,3,3,3,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,0,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,4,4,4,4,]</value>
+      <value>[1,1,1,1,2,2,2,2,3,3,3,3,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,0,5,5,5,5,6,6,6,6,7,7,7,7,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,4,4,4,4]</value>
     </param>
   </block>
   <block>