Changed clock_offset_corrector in order to address the problem #152 - this is not ideal solution yet, as it involves removing of sampling frequency offset correction.

1 files changed, 342 insertions, 329 deletions

diff --git a/hier_blocks/misc_utils/gsm_clock_offset_corrector.grc b/hier_blocks/misc_utils/gsm_clock_offset_corrector.grc
index 99d8e15..2222d7e 100644
--- a/hier_blocks/misc_utils/gsm_clock_offset_corrector.grc
+++ b/hier_blocks/misc_utils/gsm_clock_offset_corrector.grc
@@ -1,504 +1,510 @@
-<?xml version='1.0' encoding='ASCII'?>
-<?grc format='1' created='3.7.6'?>
+<?xml version='1.0' encoding='utf-8'?>
+<?grc format='1' created='3.7.9'?>
 <flow_graph>
   <timestamp>Thu Nov  6 10:22:20 2014</timestamp>
   <block>
-    <key>import</key>
+    <key>options</key>
     <param>
-      <key>id</key>
-      <value>math_imp</value>
+      <key>author</key>
+      <value>Piotr Krysik</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>window_size</key>
+      <value>2280, 1024</value>
     </param>
     <param>
-      <key>import</key>
-      <value>import math</value>
+      <key>category</key>
+      <value>GSM</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
+      <key>description</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(11, 125)</value>
+      <value>(10, 10)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable</key>
     <param>
-      <key>id</key>
-      <value>samp_rate_out</value>
+      <key>generate_options</key>
+      <value>hb</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>hier_block_src_path</key>
+      <value>.:</value>
     </param>
     <param>
-      <key>value</key>
-      <value>samp_rate_in</value>
+      <key>id</key>
+      <value>clock_offset_corrector</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>max_nouts</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(736, 19)</value>
+      <key>qt_qss_theme</key>
+      <value></value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>realtime_scheduling</key>
+      <value></value>
     </param>
-  </block>
-  <block>
-    <key>parameter</key>
     <param>
-      <key>id</key>
-      <value>fc</value>
+      <key>run_command</key>
+      <value>{python} -u {filename}</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>run_options</key>
+      <value>prompt</value>
     </param>
     <param>
-      <key>label</key>
-      <value>fc</value>
+      <key>run</key>
+      <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>936.6e6</value>
+      <key>thread_safe_setters</key>
+      <value></value>
     </param>
     <param>
-      <key>type</key>
-      <value>eng_float</value>
+      <key>title</key>
+      <value>Clock offset corrector</value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
     <param>
-      <key>short_id</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(274, 19)</value>
+      <value>(736, 19)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>pad_source</key>
     <param>
       <key>id</key>
-      <value>pad_source_0</value>
+      <value>samp_rate_out</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>value</key>
+      <value>samp_rate_in</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_add_const_vxx</key>
     <param>
-      <key>label</key>
-      <value>in</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>const</key>
+      <value>samp_rate_in/samp_rate_out</value>
     </param>
     <param>
-      <key>num_streams</key>
-      <value>1</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>optional</key>
-      <value>False</value>
+      <key>_enabled</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(14, 299)</value>
+      <value>(552, 331)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>parameter</key>
     <param>
       <key>id</key>
-      <value>ppm</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <value>blocks_add_const_vxx_0</value>
     </param>
     <param>
-      <key>label</key>
-      <value>ppm</value>
+      <key>type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>value</key>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>eng_float</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>short_id</key>
-      <value></value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_multiply_const_vxx</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(496, 19)</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>const</key>
+      <value>fc/samp_rate_out*(2*math.pi)/1e6</value>
     </param>
-  </block>
-  <block>
-    <key>parameter</key>
     <param>
-      <key>id</key>
-      <value>samp_rate_in</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>samp_rate_in</value>
+      <key>_coordinate</key>
+      <value>(432, 220)</value>
     </param>
     <param>
-      <key>value</key>
-      <value>1625000.0/6.0*4.0</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>eng_float</value>
+      <key>id</key>
+      <value>blocks_multiply_const_vxx_0</value>
     </param>
     <param>
-      <key>short_id</key>
-      <value></value>
+      <key>type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(368, 19)</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>vlen</key>
+      <value>1</value>
     </param>
   </block>
   <block>
-    <key>parameter</key>
-    <param>
-      <key>id</key>
-      <value>samp_rate_out</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>False</value>
-    </param>
+    <key>blocks_multiply_const_vxx</key>
     <param>
-      <key>label</key>
-      <value>samp_rate_out</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>value</key>
-      <value>1625000.0/6.0*4.0</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>type</key>
-      <value>eng_float</value>
+      <key>const</key>
+      <value>1.0e-6*samp_rate_in/samp_rate_out</value>
     </param>
     <param>
-      <key>short_id</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>_enabled</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(592, 20)</value>
+      <value>(392, 331)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>pad_source</key>
     <param>
       <key>id</key>
-      <value>ppm_in</value>
+      <value>blocks_multiply_const_vxx_0_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>label</key>
-      <value>ppm_in</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>message</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>vlen</key>
       <value>1</value>
     </param>
+  </block>
+  <block>
+    <key>parameter</key>
     <param>
-      <key>num_streams</key>
-      <value>1</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>optional</key>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(16, 219)</value>
+      <value>(274, 19)</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_0</value>
+      <value>fc</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>False</value>
+      <key>label</key>
+      <value>fc</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>short_id</key>
+      <value></value>
     </param>
     <param>
-      <key>phase_shift</key>
-      <value>0</value>
+      <key>type</key>
+      <value>eng_float</value>
     </param>
     <param>
-      <key>resamp_ratio</key>
-      <value>samp_rate_in/samp_rate_out</value>
+      <key>value</key>
+      <value>936.6e6</value>
     </param>
+  </block>
+  <block>
+    <key>fractional_resampler_xx</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
+      <key>_enabled</key>
       <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(712, 144)</value>
+      <value>(592, 537)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_multiply_const_vxx</key>
     <param>
       <key>id</key>
-      <value>blocks_multiply_const_vxx_0</value>
+      <value>fractional_resampler_xx_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>const</key>
-      <value>fc/samp_rate_out*(2*math.pi)/1e6</value>
+      <key>phase_shift</key>
+      <value>0</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>resamp_ratio</key>
+      <value>samp_rate_in/samp_rate_out</value>
     </param>
     <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+  </block>
+  <block>
+    <key>gsm_controlled_const_source_f</key>
+    <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(416, 219)</value>
+      <value>(184, 220)</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>
+      <value>gsm_controlled_const_source_f_0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>phase_shift</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>resamp_ratio</key>
-      <value>samp_rate_in/samp_rate_out</value>
+      <key>constant</key>
+      <value>ppm</value>
     </param>
+  </block>
+  <block>
+    <key>gsm_controlled_rotator_cc</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(704, 304)</value>
+      <value>(952, 193)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_multiply_const_vxx</key>
     <param>
       <key>id</key>
-      <value>blocks_multiply_const_vxx_0_0</value>
+      <value>gsm_controlled_rotator_cc_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>const</key>
-      <value>1.0e-6*samp_rate_in/samp_rate_out</value>
+      <key>phase_inc</key>
+      <value>0</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>samp_rate</key>
+      <value>samp_rate_out</value>
     </param>
+  </block>
+  <block>
+    <key>import</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(392, 331)</value>
+      <value>(11, 125)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>math_imp</value>
+    </param>
+    <param>
+      <key>import</key>
+      <value>import math</value>
+    </param>
   </block>
   <block>
     <key>pad_sink</key>
     <param>
-      <key>id</key>
-      <value>pad_sink_1</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>out</value>
+      <key>_coordinate</key>
+      <value>(1168, 204)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>pad_sink_1</value>
     </param>
     <param>
       <key>type</key>
       <value>complex</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>label</key>
+      <value>out</value>
     </param>
     <param>
       <key>num_streams</key>
@@ -509,229 +515,242 @@
       <value>False</value>
     </param>
     <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+  </block>
+  <block>
+    <key>pad_source</key>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(1112, 331)</value>
+      <value>(32, 188)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>gsm_controlled_rotator_cc</key>
     <param>
       <key>id</key>
-      <value>gsm_controlled_rotator_cc_0</value>
+      <value>pad_source_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label</key>
+      <value>in</value>
     </param>
     <param>
-      <key>phase_inc</key>
-      <value>0</value>
+      <key>num_streams</key>
+      <value>1</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>samp_rate_out</value>
+      <key>optional</key>
+      <value>False</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+  </block>
+  <block>
+    <key>parameter</key>
+    <param>
+      <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(928, 320)</value>
+      <value>(496, 19)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>gsm_controlled_const_source_f</key>
     <param>
       <key>id</key>
-      <value>gsm_controlled_const_source_f_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <value>ppm</value>
     </param>
     <param>
-      <key>constant</key>
+      <key>label</key>
       <value>ppm</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>short_id</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>type</key>
+      <value>eng_float</value>
     </param>
     <param>
-      <key>minoutbuf</key>
+      <key>value</key>
       <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>pad_source</key>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(168, 219)</value>
+      <value>(32, 244)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_add_const_vxx</key>
     <param>
       <key>id</key>
-      <value>blocks_add_const_vxx_0</value>
+      <value>ppm_in</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label</key>
+      <value>ppm_in</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>num_streams</key>
+      <value>1</value>
     </param>
     <param>
-      <key>const</key>
-      <value>samp_rate_in/samp_rate_out</value>
+      <key>optional</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>message</value>
     </param>
     <param>
       <key>vlen</key>
       <value>1</value>
     </param>
+  </block>
+  <block>
+    <key>parameter</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(552, 331)</value>
+      <value>(368, 19)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>options</key>
     <param>
       <key>id</key>
-      <value>clock_offset_corrector</value>
+      <value>samp_rate_in</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label</key>
+      <value>samp_rate_in</value>
     </param>
     <param>
-      <key>title</key>
-      <value>Clock offset corrector</value>
+      <key>short_id</key>
+      <value></value>
     </param>
     <param>
-      <key>author</key>
-      <value>Piotr Krysik</value>
+      <key>type</key>
+      <value>eng_float</value>
     </param>
     <param>
-      <key>description</key>
-      <value></value>
+      <key>value</key>
+      <value>1625000.0/6.0*4.0</value>
     </param>
+  </block>
+  <block>
+    <key>parameter</key>
     <param>
-      <key>window_size</key>
-      <value>2280, 1024</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>generate_options</key>
-      <value>hb</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>category</key>
-      <value>GSM</value>
+      <key>_enabled</key>
+      <value>False</value>
     </param>
     <param>
-      <key>run_options</key>
-      <value>prompt</value>
+      <key>_coordinate</key>
+      <value>(592, 20)</value>
     </param>
     <param>
-      <key>run</key>
-      <value>True</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>max_nouts</key>
-      <value>0</value>
+      <key>id</key>
+      <value>samp_rate_out</value>
     </param>
     <param>
-      <key>realtime_scheduling</key>
-      <value></value>
+      <key>label</key>
+      <value>samp_rate_out</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>short_id</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(10, 10)</value>
+      <key>type</key>
+      <value>eng_float</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>value</key>
+      <value>1625000.0/6.0*4.0</value>
     </param>
   </block>
   <connection>
-    <source_block_id>ppm_in</source_block_id>
-    <sink_block_id>gsm_controlled_const_source_f_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>constant_msg</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>pad_source_0</source_block_id>
+    <source_block_id>blocks_add_const_vxx_0</source_block_id>
     <sink_block_id>fractional_resampler_xx_0</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>0</sink_key>
+    <sink_key>1</sink_key>
   </connection>
   <connection>
     <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
-    <sink_block_id>fractional_resampler_xx_0_0</sink_block_id>
+    <sink_block_id>gsm_controlled_rotator_cc_0</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>0</sink_key>
+    <sink_key>1</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_add_const_vxx_0</source_block_id>
-    <sink_block_id>fractional_resampler_xx_0_0</sink_block_id>
+    <source_block_id>blocks_multiply_const_vxx_0_0</source_block_id>
+    <sink_block_id>blocks_add_const_vxx_0</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>1</sink_key>
+    <sink_key>0</sink_key>
   </connection>
   <connection>
     <source_block_id>fractional_resampler_xx_0</source_block_id>
@@ -740,28 +759,16 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_add_const_vxx_0</source_block_id>
-    <sink_block_id>fractional_resampler_xx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>1</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_multiply_const_vxx_0_0</source_block_id>
-    <sink_block_id>blocks_add_const_vxx_0</sink_block_id>
+    <source_block_id>gsm_controlled_const_source_f_0</source_block_id>
+    <sink_block_id>blocks_multiply_const_vxx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>fractional_resampler_xx_0_0</source_block_id>
-    <sink_block_id>gsm_controlled_rotator_cc_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>1</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
-    <sink_block_id>gsm_controlled_rotator_cc_0</sink_block_id>
+    <source_block_id>gsm_controlled_const_source_f_0</source_block_id>
+    <sink_block_id>blocks_multiply_const_vxx_0_0</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>1</sink_key>
+    <sink_key>0</sink_key>
   </connection>
   <connection>
     <source_block_id>gsm_controlled_rotator_cc_0</source_block_id>
@@ -770,15 +777,21 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>gsm_controlled_const_source_f_0</source_block_id>
-    <sink_block_id>blocks_multiply_const_vxx_0_0</sink_block_id>
+    <source_block_id>pad_source_0</source_block_id>
+    <sink_block_id>fractional_resampler_xx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>gsm_controlled_const_source_f_0</source_block_id>
-    <sink_block_id>blocks_multiply_const_vxx_0</sink_block_id>
+    <source_block_id>pad_source_0</source_block_id>
+    <sink_block_id>gsm_controlled_rotator_cc_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
+  <connection>
+    <source_block_id>ppm_in</source_block_id>
+    <sink_block_id>gsm_controlled_const_source_f_0</sink_block_id>
+    <source_key>out</source_key>
+    <sink_key>constant_msg</sink_key>
+  </connection>
 </flow_graph>