1 files changed, 626 insertions, 365 deletions
diff --git a/gr-dtv/examples/file_atsc_tx.grc b/gr-dtv/examples/file_atsc_tx.grc
index f212ab35c6..3a7124127b 100644
--- a/gr-dtv/examples/file_atsc_tx.grc
+++ b/gr-dtv/examples/file_atsc_tx.grc
@@ -1,23 +1,23 @@
-<?xml version='1.0' encoding='ASCII'?>
-<?grc format='1' created='3.7.7'?>
+<?xml version='1.0' encoding='utf-8'?>
+<?grc format='1' created='3.7.11'?>
 <flow_graph>
-  <timestamp>Sat Jan 17 12:37:25 2015</timestamp>
+  <timestamp>Sat Dec 20 12:18:33 2014</timestamp>
   <block>
     <key>options</key>
     <param>
-      <key>id</key>
-      <value>file_atsc_tx</value>
+      <key>author</key>
+      <value></value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>window_size</key>
+      <value>1280, 1024</value>
     </param>
     <param>
-      <key>title</key>
-      <value></value>
+      <key>category</key>
+      <value>Custom</value>
     </param>
     <param>
-      <key>author</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
@@ -25,16 +25,44 @@
       <value></value>
     </param>
     <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(368, 19)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
       <key>generate_options</key>
-      <value>wx_gui</value>
+      <value>qt_gui</value>
     </param>
     <param>
-      <key>category</key>
-      <value>Custom</value>
+      <key>hier_block_src_path</key>
+      <value>.:</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>file_atsc_tx</value>
+    </param>
+    <param>
+      <key>max_nouts</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>qt_qss_theme</key>
+      <value></value>
+    </param>
+    <param>
+      <key>realtime_scheduling</key>
+      <value></value>
+    </param>
+    <param>
+      <key>run_command</key>
+      <value>{python} -u {filename}</value>
     </param>
     <param>
       <key>run_options</key>
@@ -45,92 +73,107 @@
       <value>True</value>
     </param>
     <param>
-      <key>max_nouts</key>
-      <value>0</value>
+      <key>thread_safe_setters</key>
+      <value></value>
     </param>
     <param>
-      <key>realtime_scheduling</key>
+      <key>title</key>
       <value></value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(584, 19)</value>
+      <value>(808, 20)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>center_freq</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>429e6</value>
+    </param>
   </block>
   <block>
     <key>variable</key>
     <param>
-      <key>id</key>
-      <value>symbol_rate</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>4500000.0 / 286 * 684</value>
+      <key>_coordinate</key>
+      <value>(680, 20)</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(360, 19)</value>
+      <key>id</key>
+      <value>pilot_freq</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>value</key>
+      <value>(6000000.0 - (symbol_rate / 2)) / 2</value>
     </param>
   </block>
   <block>
     <key>variable</key>
     <param>
-      <key>id</key>
-      <value>pilot_freq</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>309441</value>
+      <key>_coordinate</key>
+      <value>(552, 19)</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(472, 19)</value>
+      <key>id</key>
+      <value>symbol_rate</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>value</key>
+      <value>4500000.0 / 286 * 684</value>
     </param>
   </block>
   <block>
-    <key>dtv_atsc_pad</key>
+    <key>blocks_file_sink</key>
     <param>
-      <key>id</key>
-      <value>dtv_atsc_pad_0</value>
+      <key>append</key>
+      <value>False</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
@@ -138,804 +181,1028 @@
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>1</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>file</key>
+      <value>atsc.cfile</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(96, 112)</value>
+      <value>(1048, 236)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>180</value>
+      <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>dtv_atsc_randomizer</key>
     <param>
       <key>id</key>
-      <value>dtv_atsc_randomizer_0</value>
+      <value>blocks_file_sink_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
+      <key>unbuffered</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+  </block>
+  <block>
+    <key>blocks_file_source</key>
+    <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>file</key>
+      <value>advatsc.ts</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(72, 168)</value>
+      <value>(64, 19)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>dtv_atsc_rs_encoder</key>
     <param>
       <key>id</key>
-      <value>dtv_atsc_rs_encoder_0</value>
+      <value>blocks_file_source_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>byte</value>
+    </param>
+    <param>
+      <key>repeat</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+  </block>
+  <block>
+    <key>blocks_keep_m_in_n</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>(72, 224)</value>
+      <value>(104, 451)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>180</value>
+      <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_keep_m_in_n</key>
     <param>
       <key>id</key>
       <value>blocks_keep_m_in_n_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>m</key>
+      <value>832</value>
     </param>
     <param>
-      <key>type</key>
-      <value>byte</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>m</key>
-      <value>832</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>n</key>
       <value>1024</value>
     </param>
     <param>
+      <key>type</key>
+      <value>byte</value>
+    </param>
+    <param>
       <key>offset</key>
       <value>4</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_rotator_cc</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
+      <key>_enabled</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(336, 332)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
+      <key>id</key>
+      <value>blocks_rotator_cc_0</value>
+    </param>
+    <param>
       <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>phase_inc</key>
+      <value>((-3000000.0 + pilot_freq) / symbol_rate) * (math.pi * 2)</value>
+    </param>
+  </block>
+  <block>
+    <key>blocks_throttle</key>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(80, 515)</value>
+      <value>(824, 332)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>digital_chunks_to_symbols_xx</key>
     <param>
       <key>id</key>
-      <value>digital_chunks_to_symbols_xx_0</value>
+      <value>blocks_throttle_0</value>
     </param>
     <param>
-      <key>_enabled</key>
+      <key>ignoretag</key>
       <value>True</value>
     </param>
     <param>
-      <key>in_type</key>
-      <value>byte</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>out_type</key>
-      <value>complex</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>symbol_table</key>
-      <value>[symbol + 1.25 for symbol in [-7,-5,-3,-1,1,3,5,7]]</value>
+      <key>samples_per_second</key>
+      <value>symbol_rate</value>
     </param>
     <param>
-      <key>dimension</key>
-      <value>1</value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>num_ports</key>
+      <key>vlen</key>
       <value>1</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_vector_to_stream</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>(360, 523)</value>
+      <value>(96, 387)</value>
     </param>
     <param>
       <key>_rotation</key>
-      <value>0</value>
+      <value>180</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_multiply_xx</key>
     <param>
       <key>id</key>
-      <value>blocks_multiply_xx_0</value>
+      <value>blocks_vector_to_stream_1</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>type</key>
+      <value>byte</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>2</value>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>num_items</key>
+      <value>1024</value>
     </param>
     <param>
       <key>vlen</key>
       <value>1</value>
     </param>
+  </block>
+  <block>
+    <key>dtv_atsc_field_sync_mux</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>(376, 296)</value>
+      <value>(80, 337)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>dtv_atsc_field_sync_mux_0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
   </block>
   <block>
-    <key>analog_sig_source_x</key>
+    <key>dtv_atsc_interleaver</key>
     <param>
-      <key>id</key>
-      <value>analog_sig_source_x_0</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>symbol_rate</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>waveform</key>
-      <value>analog.GR_COS_WAVE</value>
+      <key>_coordinate</key>
+      <value>(88, 241)</value>
     </param>
     <param>
-      <key>freq</key>
-      <value>-3000000+pilot_freq</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>amp</key>
-      <value>0.9</value>
+      <key>id</key>
+      <value>dtv_atsc_interleaver_0</value>
     </param>
     <param>
-      <key>offset</key>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>dtv_atsc_pad</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, 131)</value>
+      <value>(112, 97)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>180</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>dtv_atsc_pad_0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
   </block>
   <block>
-    <key>fft_filter_xxx</key>
+    <key>dtv_atsc_randomizer</key>
     <param>
-      <key>id</key>
-      <value>fft_filter_xxx_0</value>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>ccc</value>
+      <key>_coordinate</key>
+      <value>(88, 145)</value>
     </param>
     <param>
-      <key>decim</key>
-      <value>1</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>taps</key>
-      <value>firdes.root_raised_cosine(0.1, symbol_rate, symbol_rate/2, 0.1152, 100)</value>
+      <key>id</key>
+      <value>dtv_atsc_randomizer_0</value>
     </param>
     <param>
-      <key>samp_delay</key>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>nthreads</key>
-      <value>1</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>dtv_atsc_rs_encoder</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>(576, 291)</value>
+      <value>(88, 193)</value>
     </param>
     <param>
       <key>_rotation</key>
+      <value>180</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>dtv_atsc_rs_encoder_0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
   </block>
   <block>
-    <key>wxgui_fftsink2</key>
+    <key>dtv_atsc_trellis_encoder</key>
     <param>
-      <key>id</key>
-      <value>wxgui_fftsink2_0</value>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>_coordinate</key>
+      <value>(80, 289)</value>
     </param>
     <param>
-      <key>title</key>
-      <value>FFT Plot</value>
+      <key>_rotation</key>
+      <value>180</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>symbol_rate</value>
+      <key>id</key>
+      <value>dtv_atsc_trellis_encoder_0</value>
     </param>
     <param>
-      <key>baseband_freq</key>
-      <value>429000000</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>y_per_div</key>
-      <value>10</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>dtv_dvbs2_modulator_bc</key>
     <param>
-      <key>y_divs</key>
-      <value>10</value>
+      <key>interpolation</key>
+      <value>INTERPOLATION_OFF</value>
     </param>
     <param>
-      <key>ref_level</key>
-      <value>-10</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>ref_scale</key>
-      <value>2.0</value>
+      <key>rate1</key>
+      <value>C1_4</value>
     </param>
     <param>
-      <key>fft_size</key>
-      <value>1024</value>
+      <key>rate2</key>
+      <value>C1_5_MEDIUM</value>
     </param>
     <param>
-      <key>fft_rate</key>
-      <value>15</value>
+      <key>rate3</key>
+      <value>C1_4</value>
     </param>
     <param>
-      <key>peak_hold</key>
-      <value>False</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>average</key>
+      <key>constellation</key>
+      <value>MOD_8VSB</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>avg_alpha</key>
-      <value>0.1333</value>
+      <key>framesize</key>
+      <value>FECFRAME_NORMAL</value>
     </param>
     <param>
-      <key>win</key>
-      <value>None</value>
+      <key>_coordinate</key>
+      <value>(80, 556)</value>
     </param>
     <param>
-      <key>win_size</key>
-      <value>800,600</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value></value>
+      <key>id</key>
+      <value>dtv_dvbs2_modulator_bc_0</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>freqvar</key>
-      <value>None</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>fft_filter_xxx</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
     <param>
+      <key>decim</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(1048, 331)</value>
+      <value>(576, 316)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>dtv_atsc_interleaver</key>
     <param>
       <key>id</key>
-      <value>dtv_atsc_interleaver_0</value>
+      <value>fft_filter_xxx_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>nthreads</key>
+      <value>1</value>
     </param>
     <param>
-      <key>minoutbuf</key>
+      <key>samp_delay</key>
       <value>0</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>taps</key>
+      <value>firdes.root_raised_cosine(0.11, symbol_rate, symbol_rate/2, 0.1152, 200)</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>ccc</value>
+    </param>
+  </block>
+  <block>
+    <key>import</key>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(72, 280)</value>
+      <value>(368, 91)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
+    <param>
+      <key>id</key>
+      <value>import_0</value>
+    </param>
+    <param>
+      <key>import</key>
+      <value>import math</value>
+    </param>
   </block>
   <block>
-    <key>blocks_throttle</key>
+    <key>qtgui_freq_sink_x</key>
     <param>
-      <key>id</key>
-      <value>blocks_throttle_0</value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>average</key>
+      <value>0.1</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>axislabels</key>
+      <value>True</value>
     </param>
     <param>
-      <key>samples_per_second</key>
+      <key>bw</key>
       <value>symbol_rate</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>ignoretag</key>
-      <value>True</value>
+      <key>fc</key>
+      <value>center_freq</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
+      <key>ctrlpanel</key>
+      <value>False</value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>fftsize</key>
+      <value>1024</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(808, 307)</value>
+      <value>(1048, 396)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_file_sink</key>
+    <param>
+      <key>grid</key>
+      <value>False</value>
+    </param>
     <param>
       <key>id</key>
-      <value>blocks_file_sink_0</value>
+      <value>qtgui_freq_sink_x_0</value>
     </param>
     <param>
-      <key>_enabled</key>
+      <key>legend</key>
       <value>True</value>
     </param>
     <param>
-      <key>file</key>
-      <value>atsc.cfile</value>
+      <key>alpha1</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>color1</key>
+      <value>"blue"</value>
     </param>
     <param>
-      <key>vlen</key>
+      <key>label1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width1</key>
       <value>1</value>
     </param>
     <param>
-      <key>unbuffered</key>
-      <value>False</value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>append</key>
-      <value>False</value>
+      <key>color10</key>
+      <value>"dark blue"</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>width10</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(1048, 171)</value>
+      <key>alpha2</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>color2</key>
+      <value>"red"</value>
     </param>
-  </block>
-  <block>
-    <key>dtv_atsc_trellis_encoder</key>
     <param>
-      <key>id</key>
-      <value>dtv_atsc_trellis_encoder_0</value>
+      <key>label2</key>
+      <value></value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>width2</key>
+      <value>1</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>alpha3</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>color3</key>
+      <value>"green"</value>
+    </param>
+    <param>
+      <key>label3</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>width3</key>
+      <value>1</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(64, 336)</value>
+      <key>color4</key>
+      <value>"black"</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>180</value>
+      <key>label4</key>
+      <value></value>
     </param>
-  </block>
-  <block>
-    <key>blocks_vector_to_stream</key>
     <param>
-      <key>id</key>
-      <value>blocks_vector_to_stream_1</value>
+      <key>width4</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>byte</value>
+      <key>color5</key>
+      <value>"cyan"</value>
     </param>
     <param>
-      <key>num_items</key>
-      <value>1024</value>
+      <key>label5</key>
+      <value></value>
     </param>
     <param>
-      <key>vlen</key>
+      <key>width5</key>
       <value>1</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>color6</key>
+      <value>"magenta"</value>
+    </param>
+    <param>
+      <key>label6</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>width6</key>
+      <value>1</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(72, 451)</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>180</value>
+      <key>label7</key>
+      <value></value>
     </param>
-  </block>
-  <block>
-    <key>dtv_atsc_field_sync_mux</key>
     <param>
-      <key>id</key>
-      <value>dtv_atsc_field_sync_mux_0</value>
+      <key>width7</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>color8</key>
+      <value>"dark red"</value>
+    </param>
+    <param>
+      <key>label8</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>width8</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha9</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color9</key>
+      <value>"dark green"</value>
+    </param>
+    <param>
+      <key>label9</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>width9</key>
+      <value>1</value>
     </param>
     <param>
       <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(64, 392)</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>name</key>
+      <value>""</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_file_source</key>
     <param>
-      <key>id</key>
-      <value>blocks_file_source_0</value>
+      <key>nconnections</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_enabled</key>
+      <key>showports</key>
       <value>True</value>
     </param>
     <param>
-      <key>file</key>
-      <value>test.ts</value>
+      <key>freqhalf</key>
+      <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>byte</value>
+      <key>tr_chan</key>
+      <value>0</value>
     </param>
     <param>
-      <key>repeat</key>
-      <value>False</value>
+      <key>tr_level</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>tr_tag</key>
+      <value>""</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>update_time</key>
+      <value>0.10</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(48, 19)</value>
+      <key>label</key>
+      <value>Relative Gain</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>ymax</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-140</value>
+    </param>
+    <param>
+      <key>units</key>
+      <value>dB</value>
     </param>
   </block>
   <connection>
-    <source_block_id>blocks_vector_to_stream_1</source_block_id>
-    <sink_block_id>blocks_keep_m_in_n_0</sink_block_id>
+    <source_block_id>blocks_file_source_0</source_block_id>
+    <sink_block_id>dtv_atsc_pad_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
     <source_block_id>blocks_keep_m_in_n_0</source_block_id>
-    <sink_block_id>digital_chunks_to_symbols_xx_0</sink_block_id>
+    <sink_block_id>dtv_dvbs2_modulator_bc_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_multiply_xx_0</source_block_id>
+    <source_block_id>blocks_rotator_cc_0</source_block_id>
     <sink_block_id>fft_filter_xxx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>analog_sig_source_x_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_0</sink_block_id>
+    <source_block_id>blocks_throttle_0</source_block_id>
+    <sink_block_id>blocks_file_sink_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>digital_chunks_to_symbols_xx_0</source_block_id>
-    <sink_block_id>blocks_multiply_xx_0</sink_block_id>
+    <source_block_id>blocks_throttle_0</source_block_id>
+    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>1</sink_key>
+    <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>fft_filter_xxx_0</source_block_id>
-    <sink_block_id>blocks_throttle_0</sink_block_id>
+    <source_block_id>blocks_vector_to_stream_1</source_block_id>
+    <sink_block_id>blocks_keep_m_in_n_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_throttle_0</source_block_id>
-    <sink_block_id>wxgui_fftsink2_0</sink_block_id>
+    <source_block_id>dtv_atsc_field_sync_mux_0</source_block_id>
+    <sink_block_id>blocks_vector_to_stream_1</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>blocks_file_source_0</source_block_id>
-    <sink_block_id>dtv_atsc_pad_0</sink_block_id>
+    <source_block_id>dtv_atsc_interleaver_0</source_block_id>
+    <sink_block_id>dtv_atsc_trellis_encoder_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
@@ -958,26 +1225,20 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>dtv_atsc_interleaver_0</source_block_id>
-    <sink_block_id>dtv_atsc_trellis_encoder_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>blocks_throttle_0</source_block_id>
-    <sink_block_id>blocks_file_sink_0</sink_block_id>
+    <source_block_id>dtv_atsc_trellis_encoder_0</source_block_id>
+    <sink_block_id>dtv_atsc_field_sync_mux_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>dtv_atsc_trellis_encoder_0</source_block_id>
-    <sink_block_id>dtv_atsc_field_sync_mux_0</sink_block_id>
+    <source_block_id>dtv_dvbs2_modulator_bc_0</source_block_id>
+    <sink_block_id>blocks_rotator_cc_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>dtv_atsc_field_sync_mux_0</source_block_id>
-    <sink_block_id>blocks_vector_to_stream_1</sink_block_id>
+    <source_block_id>fft_filter_xxx_0</source_block_id>
+    <sink_block_id>blocks_throttle_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>