From 664d8fe0e627fb981239265cc69317edbe3f620b Mon Sep 17 00:00:00 2001
From: Thomas Kolb <cfr34k-git@tkolb.de>
Date: Tue, 23 Jul 2019 23:20:49 +0200
Subject: [PATCH] Backup commit for the 16 QAM flowgraph

Now with closed-loop frequency estimation!
---
 tmp/test_sc16qam.grc | 1418 +++++++++++++++++++++++++++++++-----------
 1 file changed, 1064 insertions(+), 354 deletions(-)

diff --git a/tmp/test_sc16qam.grc b/tmp/test_sc16qam.grc
index d4203fb..b37b819 100644
--- a/tmp/test_sc16qam.grc
+++ b/tmp/test_sc16qam.grc
@@ -10,7 +10,7 @@
     </param>
     <param>
       <key>window_size</key>
-      <value></value>
+      <value>(3000,2000)</value>
     </param>
     <param>
       <key>category</key>
@@ -90,22 +90,49 @@
     </param>
   </block>
   <block>
-    <key>variable_qtgui_range</key>
+    <key>variable</key>
     <param>
       <key>comment</key>
       <value></value>
     </param>
-    <param>
-      <key>value</key>
-      <value>1</value>
-    </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(942, 842)</value>
+      <value>(1006, 67)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>filtered_preamble</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>[-0.08129028727943922, 0.5175310057290967, 0.7722893511238401, 0.1148018601746867, -0.722064124169458, -1.070325845435683, -0.7576079426568051, 0.18721137317967265, 0.8082354458186894, 0.16551431338345055, -0.8230511120132068, -0.9163786999175855, -0.6117803225418995, -0.6700353783249773, -0.769552358580221, -0.6553850013523769, -0.6616647090898005, -0.8642448711195908, -0.7657756901919124, -0.005797463799976558, 0.7988382349769702, 0.8294065542326889, 0.5908028280454155, 0.8256875067745597, 0.8146188978481508, -0.020634460059635405, -0.7697984549491852, -0.84444995115828, -0.7024762029888817, -0.6198196615385398, -0.6740683648840808, -0.8779717344643397, -0.7348420982832689, -0.03555345192059069, 0.6875748913521815, 1.05704028958943, 0.7936348650142598, -0.227788685490792, -0.8526208790280765, -0.019986388839869088, 0.8865006263699879, 0.22076477443065975, -0.8950135086547415, -0.8716653140660505, -0.5246199864711176, -0.8766401386744519, -0.8820374094504108, 0.21035783174430892, 0.8794422859414389, -0.0011611346097876265, -0.8814031035439059, -0.2052976618476738, 0.884058130726517, 0.867874201882579, 0.5332794012999048, 0.8708622570670164, 0.8637348822351997, -0.17431393669607972, -0.8250191737426946, -0.159753901506682, 0.7642162474748025, 1.0307117503818917, 0.7209235670006533, -0.046310786625050435, -0.778353554637026, -0.8090535516253826, -0.6154990384422255, -0.8191775393984242, -0.7715717180192584, -0.04303083386946083, 0.7087424230953812, 1.0406619975497917, 0.7739585237544835, -0.1813128392457166, -0.8182268870512397, -0.15942914271908737, 0.8234523948634808, 0.9096598417113971, 0.6185048553728173, 0.6684161292689035, 0.7539824027513191, 0.6836301090416503, 0.6999311130000547, 0.7389553270549601, 0.6839900761430421, 0.7021021663383259, 0.7516639997452075, 0.6525522658424077, 0.6534360750123849, 0.8771955893739727, 0.7467565606689772, 0.02256689156806864, -0.6965663769194737, -1.0334581411917223, -0.8033612431626567, 0.21473612951329507, 0.9021191169018361, -0.03260395122242441, -0.9748493563354472, -0.0036730669687836054, 0.9837363093032675, 0.029610782323607913, -0.9147600194403116, -0.1975663528941189, 0.7846178900011095, 1.046195013664345, 0.7823514680353573, -0.19522212259588054, -0.9112606649207405, 0.023091617917047752, 0.9823761290274862, 0.005013623849880724, -0.9839086392514891, -0.030909546641523664, 0.9288649780546557, 0.17404978816125155, -0.8482660163992438, -0.8876093889324591, -0.6345467136516006, -0.6717405084570316, -0.7534951625484151, -0.6724850985383302, -0.6332635174362395, -0.8882583296210897, -0.8486040990328427, 0.1746881707177126, 0.9259713955442388, -0.027609316815115616, -0.981338085190242, -0.001344279331150455, 0.9975726805938289, 0.0032448299776181326, -0.9764965661259061, -0.038329427646553955, 0.9330903198844934, 0.17732840671687633, -0.884526368697909, -0.8409765922640641, -0.5741518512133504, -0.8417933606698373, -0.8006392072770372, 0.021165570638770982, 0.7632245025162033, 0.8517172477864591, 0.6894722582746561, 0.627511017042137, 0.6863631780455114, 0.8563658160469327, 0.7612216439770927, 0.018571095536152736, -0.7823611954523056, -0.8690699069880754, -0.6333979268929584, -0.683403955879924, -0.7477786143700612, -0.6760720177864058, -0.7315676483948168, -0.7022410050440601, -0.6025340610303705, -0.8942842107371078, -0.876118418067176, 0.21325460611438626, 0.8933190023314942, -0.021020274275776296, -0.8509438093415653, -0.22849717658452368, 0.766404902951236, 1.0976363993152392, 0.7347945162722681, -0.1832619698059374, -0.7846839951429371, -0.203960282014804, 0.7791194220918806, 1.0570020412052767, 0.6871659081907839, -0.034128640884788806, -0.758977445243153, -0.842265755178699, -0.590427160769304, -0.8230645633153072, -0.8666341902251239, 0.1306531397306155, 0.8813545166948351, 0.13063111360027738, -0.8668464329717416, -0.8229059597921542, -0.5909918996264324, -0.8416482983212378, -0.7576909624053595, -0.03633764064328733, 0.6889211336769204, 1.0570456723676904, 0.7725709448929612, -0.19590212486821, -0.7819571569662832, -0.19423766644757734, 0.7581363822306396, 1.0728178251588376, 0.6914413142827484, -0.0559215883795015, -0.714231805919135, -0.8810186116706932, -0.6976008989464094, -0.589776170839254, -0.7080987303190418, -0.8686370449617289, -0.7125582538956461, -0.0700815846806227, 0.7167712215345482, 1.04915692525072, 0.6815083449957776, -0.02120733959403598, -0.642439898181621, -1.0597993466297206, -0.8237039100427359, 0.265065657431864, 0.856492446785688, -0.022162936727173486, -0.8378600476158674, -0.24202708087827066, 0.7661621476781921, 1.110851446807837, 0.7334782497375953, -0.19604083328889133, -0.7767874366303583, -0.19960608098306046, 0.7442419567519329, 1.1021390478953919, 0.7621718117508358, -0.2279706381391869, -0.8566075585134577, -0.014523950412114933, 0.8956878607912002, 0.2031847194823793, -0.8590960372868359, -0.9037640628156428, -0.6384354626902238, -0.6418468961629767, -0.6972905655659191, -0.8295081610344438, -0.75336030166678, -0.06371099534624729, 0.7469059588768265, 1.0091981479043493, 0.6892638352155233, 0.010433271730807492, -0.6990168570572781, -1.0195483817807387, -0.7245281591204413, 0.04940571217794372, 0.7380066957315401, 0.8611504776216674, 0.6772851899539332, 0.6365704309810768, 0.7161466474566263, 0.7855407885789869, 0.7268081345517742]</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1364, 3)</value>
     </param>
     <param>
       <key>gui_hint</key>
@@ -133,7 +160,7 @@
     </param>
     <param>
       <key>start</key>
-      <value>-1000</value>
+      <value>-50e3</value>
     </param>
     <param>
       <key>step</key>
@@ -141,7 +168,7 @@
     </param>
     <param>
       <key>stop</key>
-      <value>1000</value>
+      <value>50e3</value>
     </param>
     <param>
       <key>rangeType</key>
@@ -187,7 +214,7 @@
     </param>
     <param>
       <key>value</key>
-      <value>0.02</value>
+      <value>0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -195,7 +222,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(822, 842)</value>
+      <value>(1244, 3)</value>
     </param>
     <param>
       <key>gui_hint</key>
@@ -242,6 +269,33 @@
       <value>counter_slider</value>
     </param>
   </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1006, 3)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>preamble</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>[1, -1, -1, 1, -1, -1, -1, -1, -1, 1, 1, 1, -1, -1, -1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, -1, 1, -1, 1, -1, -1, -1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, 1]</value>
+    </param>
+  </block>
   <block>
     <key>variable_rrc_filter_taps</key>
     <param>
@@ -409,6 +463,69 @@
       <value>150e3</value>
     </param>
   </block>
+  <block>
+    <key>analog_sig_source_x</key>
+    <param>
+      <key>amp</key>
+      <value>1</value>
+    </param>
+    <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>freq</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(966, 467)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>analog_sig_source_x_0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>offset</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>waveform</key>
+      <value>analog.GR_COS_WAVE</value>
+    </param>
+  </block>
   <block>
     <key>blocks_complex_to_float</key>
     <param>
@@ -429,7 +546,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(335, 878)</value>
+      <value>(335, 998)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -472,7 +589,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(375, 838)</value>
+      <value>(375, 958)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -495,6 +612,37 @@
       <value>1</value>
     </param>
   </block>
+  <block>
+    <key>blocks_message_debug</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>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1357, 686)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>blocks_message_debug_0_0</value>
+    </param>
+  </block>
   <block>
     <key>blocks_message_strobe</key>
     <param>
@@ -542,6 +690,57 @@
       <value>10</value>
     </param>
   </block>
+  <block>
+    <key>blocks_multiply_xx</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>(1166, 391)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>blocks_multiply_xx_0</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>2</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+  </block>
   <block>
     <key>blocks_random_pdu</key>
     <param>
@@ -597,61 +796,6 @@
       <value>0</value>
     </param>
   </block>
-  <block>
-    <key>blocks_tag_debug</key>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>comment</key>
-      <value></value>
-    </param>
-    <param>
-      <key>affinity</key>
-      <value></value>
-    </param>
-    <param>
-      <key>display</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(311, 563)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>id</key>
-      <value>blocks_tag_debug_0</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>filter</key>
-      <value>""</value>
-    </param>
-    <param>
-      <key>name</key>
-      <value></value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-  </block>
   <block>
     <key>blocks_tag_gate</key>
     <param>
@@ -672,7 +816,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(479, 379)</value>
+      <value>(542, 379)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -774,7 +918,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(311, 387)</value>
+      <value>(311, 386)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -912,7 +1056,7 @@
     </param>
     <param>
       <key>tags</key>
-      <value>tagged_streams.make_lengthtags((128,), (0,), "packet_len")</value>
+      <value>tagged_streams.make_lengthtags((400,), (0,), "packet_len")</value>
     </param>
     <param>
       <key>vlen</key>
@@ -920,7 +1064,7 @@
     </param>
     <param>
       <key>vector</key>
-      <value>[random.randint(0,255) for i in range(128)]</value>
+      <value>[random.randint(0,255) for i in range(400)]</value>
     </param>
   </block>
   <block>
@@ -955,7 +1099,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(678, 211)</value>
+      <value>(957, 355)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1006,7 +1150,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(79, 619)</value>
+      <value>(71, 834)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1026,129 +1170,19 @@
     </param>
     <param>
       <key>sps</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>symbols</key>
-      <value>[-0.08129028727943922, 0.5175310057290967, 0.7722893511238401, 0.1148018601746867, -0.722064124169458, -1.070325845435683, -0.7576079426568051, 0.18721137317967265, 0.8082354458186894, 0.16551431338345055, -0.8230511120132068, -0.9163786999175855, -0.6117803225418995, -0.6700353783249773, -0.769552358580221, -0.6553850013523769, -0.6616647090898005, -0.8642448711195908, -0.7657756901919124, -0.005797463799976558, 0.7988382349769702, 0.8294065542326889, 0.5908028280454155, 0.8256875067745597, 0.8146188978481508, -0.020634460059635405, -0.7697984549491852, -0.84444995115828, -0.7024762029888817, -0.6198196615385398, -0.6740683648840808, -0.8779717344643397, -0.7348420982832689, -0.03555345192059069, 0.6875748913521815, 1.05704028958943, 0.7936348650142598, -0.227788685490792, -0.8526208790280765, -0.019986388839869088, 0.8865006263699879, 0.22076477443065975, -0.8950135086547415, -0.8716653140660505, -0.5246199864711176, -0.8766401386744519, -0.8820374094504108, 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-    </param>
-    <param>
-      <key>mark_delay</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>threshold</key>
-      <value>0.99</value>
-    </param>
-  </block>
-  <block>
-    <key>digital_correlate_and_sync_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>_enabled</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>filter</key>
-      <value>rrc_taps_corr</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(87, 722)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>id</key>
-      <value>digital_correlate_and_sync_cc_0</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>32000</value>
-    </param>
-    <param>
-      <key>sps</key>
-      <value>int(sps)</value>
-    </param>
-    <param>
-      <key>symbols</key>
-      <value>[1, -1, -1, 1, -1, -1, -1, -1, -1, 1, 1, 1, -1, -1, -1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, -1, 1, -1, 1, -1, -1, -1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, -1, 1, 1, -1, 1, 1, -1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, 1]</value>
-    </param>
-  </block>
-  <block>
-    <key>digital_fll_band_edge_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>_enabled</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>rolloff</key>
-      <value>0.35</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(862, 199)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>id</key>
-      <value>digital_fll_band_edge_cc_0</value>
-    </param>
-    <param>
-      <key>w</key>
-      <value>3e-3</value>
-    </param>
-    <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>minoutbuf</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>filter_size</key>
-      <value>151</value>
-    </param>
-    <param>
-      <key>samps_per_sym</key>
       <value>sps</value>
     </param>
     <param>
-      <key>type</key>
-      <value>cc</value>
+      <key>symbols</key>
+      <value>filtered_preamble</value>
+    </param>
+    <param>
+      <key>mark_delay</key>
+      <value>14</value>
+    </param>
+    <param>
+      <key>threshold</key>
+      <value>0.995</value>
     </param>
   </block>
   <block>
@@ -1175,7 +1209,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(327, 674)</value>
+      <value>(327, 794)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1242,7 +1276,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(654, 674)</value>
+      <value>(1206, 794)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1265,6 +1299,53 @@
       <value>phase_est</value>
     </param>
   </block>
+  <block>
+    <key>hamnet70_freq_est_lr</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>(766, 742)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>hamnet70_freq_est_lr_0</value>
+    </param>
+    <param>
+      <key>kappa</key>
+      <value>3</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>symbols</key>
+      <value>preamble</value>
+    </param>
+  </block>
   <block>
     <key>hamnet70_mod_sc16qam</key>
     <param>
@@ -1285,7 +1366,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(79, 387)</value>
+      <value>(79, 386)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1308,6 +1389,65 @@
       <value>samp_rate</value>
     </param>
   </block>
+  <block>
+    <key>hamnet70_pid_controller</key>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>d</key>
+      <value>0.0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(998, 706)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>i</key>
+      <value>0.02</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>hamnet70_pid_controller_0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>p</key>
+      <value>0.1</value>
+    </param>
+    <param>
+      <key>post_gain</key>
+      <value>-sym_rate</value>
+    </param>
+    <param>
+      <key>interval</key>
+      <value>1500</value>
+    </param>
+  </block>
   <block>
     <key>import</key>
     <param>
@@ -1402,14 +1542,14 @@
     </param>
   </block>
   <block>
-    <key>qtgui_number_sink</key>
+    <key>qtgui_const_sink_x</key>
     <param>
       <key>autoscale</key>
       <value>False</value>
     </param>
     <param>
-      <key>avg</key>
-      <value>0</value>
+      <key>axislabels</key>
+      <value>True</value>
     </param>
     <param>
       <key>alias</key>
@@ -1425,11 +1565,11 @@
     </param>
     <param>
       <key>_enabled</key>
-      <value>0</value>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1134, 231)</value>
+      <value>(1493, 882)</value>
     </param>
     <param>
       <key>gui_hint</key>
@@ -1440,203 +1580,319 @@
       <value>0</value>
     </param>
     <param>
-      <key>graph_type</key>
-      <value>qtgui.NUM_GRAPH_HORIZ</value>
+      <key>grid</key>
+      <value>False</value>
     </param>
     <param>
       <key>id</key>
-      <value>qtgui_number_sink_0</value>
+      <value>qtgui_const_sink_x_0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>legend</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color1</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor1</key>
-      <value>1</value>
+      <value>"blue"</value>
     </param>
     <param>
       <key>label1</key>
       <value></value>
     </param>
     <param>
-      <key>unit1</key>
-      <value></value>
+      <key>marker1</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>style1</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width1</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color10</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor10</key>
-      <value>1</value>
+      <value>"red"</value>
     </param>
     <param>
       <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>unit10</key>
-      <value></value>
+      <key>marker10</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>style10</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width10</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha2</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color2</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor2</key>
-      <value>1</value>
+      <value>"red"</value>
     </param>
     <param>
       <key>label2</key>
       <value></value>
     </param>
     <param>
-      <key>unit2</key>
-      <value></value>
+      <key>marker2</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>style2</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width2</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha3</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color3</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor3</key>
-      <value>1</value>
+      <value>"red"</value>
     </param>
     <param>
       <key>label3</key>
       <value></value>
     </param>
     <param>
-      <key>unit3</key>
-      <value></value>
+      <key>marker3</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>style3</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width3</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color4</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor4</key>
-      <value>1</value>
+      <value>"red"</value>
     </param>
     <param>
       <key>label4</key>
       <value></value>
     </param>
     <param>
-      <key>unit4</key>
-      <value></value>
+      <key>marker4</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>style4</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width4</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color5</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor5</key>
-      <value>1</value>
+      <value>"red"</value>
     </param>
     <param>
       <key>label5</key>
       <value></value>
     </param>
     <param>
-      <key>unit5</key>
-      <value></value>
+      <key>marker5</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>style5</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width5</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color6</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor6</key>
-      <value>1</value>
+      <value>"red"</value>
     </param>
     <param>
       <key>label6</key>
       <value></value>
     </param>
     <param>
-      <key>unit6</key>
-      <value></value>
+      <key>marker6</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>style6</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width6</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color7</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor7</key>
-      <value>1</value>
+      <value>"red"</value>
     </param>
     <param>
       <key>label7</key>
       <value></value>
     </param>
     <param>
-      <key>unit7</key>
-      <value></value>
+      <key>marker7</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>style7</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width7</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color8</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor8</key>
-      <value>1</value>
+      <value>"red"</value>
     </param>
     <param>
       <key>label8</key>
       <value></value>
     </param>
     <param>
-      <key>unit8</key>
-      <value></value>
+      <key>marker8</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>style8</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width8</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha9</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>color9</key>
-      <value>("black", "black")</value>
-    </param>
-    <param>
-      <key>factor9</key>
-      <value>1</value>
+      <value>"red"</value>
     </param>
     <param>
       <key>label9</key>
       <value></value>
     </param>
     <param>
-      <key>unit9</key>
-      <value></value>
+      <key>marker9</key>
+      <value>0</value>
     </param>
     <param>
-      <key>max</key>
+      <key>style9</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>width9</key>
       <value>1</value>
     </param>
-    <param>
-      <key>min</key>
-      <value>-1</value>
-    </param>
     <param>
       <key>name</key>
-      <value>""</value>
+      <value>"After Sync"</value>
     </param>
     <param>
       <key>nconnections</key>
-      <value>3</value>
+      <value>1</value>
+    </param>
+    <param>
+      <key>size</key>
+      <value>1024</value>
+    </param>
+    <param>
+      <key>tr_chan</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>tr_level</key>
+      <value>0.0</value>
+    </param>
+    <param>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
+    </param>
+    <param>
+      <key>tr_slope</key>
+      <value>qtgui.TRIG_SLOPE_POS</value>
+    </param>
+    <param>
+      <key>tr_tag</key>
+      <value>"corr_est"</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
       <key>update_time</key>
       <value>0.10</value>
     </param>
+    <param>
+      <key>xmax</key>
+      <value>2</value>
+    </param>
+    <param>
+      <key>xmin</key>
+      <value>-2</value>
+    </param>
+    <param>
+      <key>ymax</key>
+      <value>2</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-2</value>
+    </param>
   </block>
   <block>
     <key>qtgui_sink_x</key>
     <param>
       <key>bw</key>
-      <value>sym_rate</value>
+      <value>samp_rate</value>
     </param>
     <param>
       <key>alias</key>
@@ -1668,7 +1924,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1030, 619)</value>
+      <value>(1166, 267)</value>
     </param>
     <param>
       <key>gui_hint</key>
@@ -1690,6 +1946,105 @@
       <key>minoutbuf</key>
       <value>0</value>
     </param>
+    <param>
+      <key>name</key>
+      <value>"RX Signal"</value>
+    </param>
+    <param>
+      <key>plotconst</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>plotfreq</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>plottime</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>plotwaterfall</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>showports</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>showrf</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>rate</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+    </param>
+  </block>
+  <block>
+    <key>qtgui_sink_x</key>
+    <param>
+      <key>bw</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>freqchangevar</key>
+      <value>None</value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>fftsize</key>
+      <value>1024</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(518, 450)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>qtgui_sink_x_0_0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
     <param>
       <key>name</key>
       <value>""</value>
@@ -1767,7 +2122,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(559, 846)</value>
+      <value>(559, 966)</value>
     </param>
     <param>
       <key>gui_hint</key>
@@ -2079,7 +2434,7 @@
     </param>
     <param>
       <key>update_time</key>
-      <value>2</value>
+      <value>0.01</value>
     </param>
     <param>
       <key>ylabel</key>
@@ -2134,7 +2489,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1030, 714)</value>
+      <value>(1493, 778)</value>
     </param>
     <param>
       <key>gui_hint</key>
@@ -2398,7 +2753,7 @@
     </param>
     <param>
       <key>name</key>
-      <value>""</value>
+      <value>"After Sync"</value>
     </param>
     <param>
       <key>nconnections</key>
@@ -2465,6 +2820,373 @@
       <value>-1</value>
     </param>
   </block>
+  <block>
+    <key>qtgui_time_sink_x</key>
+    <param>
+      <key>autoscale</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>axislabels</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>ctrlpanel</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>entags</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(599, 858)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>grid</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>qtgui_time_sink_x_1_0_0</value>
+    </param>
+    <param>
+      <key>legend</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>"blue"</value>
+    </param>
+    <param>
+      <key>label1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>marker1</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style1</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>width1</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha10</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color10</key>
+      <value>"blue"</value>
+    </param>
+    <param>
+      <key>label10</key>
+      <value></value>
+    </param>
+    <param>
+      <key>marker10</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style10</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>width10</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha2</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color2</key>
+      <value>"red"</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>marker2</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style2</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>width2</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha3</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color3</key>
+      <value>"green"</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value></value>
+    </param>
+    <param>
+      <key>marker3</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style3</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>width3</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha4</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color4</key>
+      <value>"black"</value>
+    </param>
+    <param>
+      <key>label4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>marker4</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style4</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>width4</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha5</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color5</key>
+      <value>"cyan"</value>
+    </param>
+    <param>
+      <key>label5</key>
+      <value></value>
+    </param>
+    <param>
+      <key>marker5</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style5</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>width5</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha6</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color6</key>
+      <value>"magenta"</value>
+    </param>
+    <param>
+      <key>label6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>marker6</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style6</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>width6</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha7</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color7</key>
+      <value>"yellow"</value>
+    </param>
+    <param>
+      <key>label7</key>
+      <value></value>
+    </param>
+    <param>
+      <key>marker7</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style7</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>width7</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha8</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color8</key>
+      <value>"dark red"</value>
+    </param>
+    <param>
+      <key>label8</key>
+      <value></value>
+    </param>
+    <param>
+      <key>marker8</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style8</key>
+      <value>1</value>
+    </param>
+    <param>
+      <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>marker9</key>
+      <value>-1</value>
+    </param>
+    <param>
+      <key>style9</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>width9</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>name</key>
+      <value>"Before Freq Sync"</value>
+    </param>
+    <param>
+      <key>nconnections</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>size</key>
+      <value>1024</value>
+    </param>
+    <param>
+      <key>srate</key>
+      <value>sym_rate</value>
+    </param>
+    <param>
+      <key>stemplot</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>tr_chan</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>tr_delay</key>
+      <value>100/sym_rate</value>
+    </param>
+    <param>
+      <key>tr_level</key>
+      <value>0.0</value>
+    </param>
+    <param>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_TAG</value>
+    </param>
+    <param>
+      <key>tr_slope</key>
+      <value>qtgui.TRIG_SLOPE_POS</value>
+    </param>
+    <param>
+      <key>tr_tag</key>
+      <value>"corr_est"</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>ylabel</key>
+      <value>Amplitude</value>
+    </param>
+    <param>
+      <key>yunit</key>
+      <value>""</value>
+    </param>
+    <param>
+      <key>ymax</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-1</value>
+    </param>
+  </block>
   <block>
     <key>rational_resampler_xxx</key>
     <param>
@@ -2493,7 +3215,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(638, 363)</value>
+      <value>(750, 363)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -2524,6 +3246,12 @@
       <value>ccc</value>
     </param>
   </block>
+  <connection>
+    <source_block_id>analog_sig_source_x_0</source_block_id>
+    <sink_block_id>blocks_multiply_xx_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>1</sink_key>
+  </connection>
   <connection>
     <source_block_id>blocks_complex_to_float_0</source_block_id>
     <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
@@ -2548,6 +3276,12 @@
     <source_key>strobe</source_key>
     <sink_key>generate</sink_key>
   </connection>
+  <connection>
+    <source_block_id>blocks_multiply_xx_0</source_block_id>
+    <sink_block_id>digital_corr_est_cc_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
   <connection>
     <source_block_id>blocks_random_pdu_0</source_block_id>
     <sink_block_id>hamnet70_mod_sc16qam_0</sink_block_id>
@@ -2572,6 +3306,12 @@
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
+  <connection>
+    <source_block_id>blocks_throttle_0</source_block_id>
+    <sink_block_id>qtgui_sink_x_0_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
   <connection>
     <source_block_id>blocks_throttle_0_0</source_block_id>
     <sink_block_id>blocks_tagged_stream_to_pdu_0</sink_block_id>
@@ -2586,19 +3326,13 @@
   </connection>
   <connection>
     <source_block_id>channels_channel_model_0</source_block_id>
-    <sink_block_id>digital_corr_est_cc_0</sink_block_id>
+    <sink_block_id>blocks_multiply_xx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
     <source_block_id>channels_channel_model_0</source_block_id>
-    <sink_block_id>digital_correlate_and_sync_cc_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>channels_channel_model_0</source_block_id>
-    <sink_block_id>digital_fll_band_edge_cc_0</sink_block_id>
+    <sink_block_id>qtgui_sink_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
@@ -2614,75 +3348,33 @@
     <source_key>1</source_key>
     <sink_key>0</sink_key>
   </connection>
-  <connection>
-    <source_block_id>digital_corr_est_cc_0</source_block_id>
-    <sink_block_id>blocks_tag_debug_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
   <connection>
     <source_block_id>digital_corr_est_cc_0</source_block_id>
     <sink_block_id>digital_pfb_clock_sync_xxx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
-  <connection>
-    <source_block_id>digital_correlate_and_sync_cc_0</source_block_id>
-    <sink_block_id>blocks_complex_to_float_0</sink_block_id>
-    <source_key>1</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>digital_correlate_and_sync_cc_0</source_block_id>
-    <sink_block_id>blocks_complex_to_mag_0</sink_block_id>
-    <source_key>1</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>digital_correlate_and_sync_cc_0</source_block_id>
-    <sink_block_id>blocks_tag_debug_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>digital_correlate_and_sync_cc_0</source_block_id>
-    <sink_block_id>digital_pfb_clock_sync_xxx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>digital_fll_band_edge_cc_0</source_block_id>
-    <sink_block_id>qtgui_number_sink_0</sink_block_id>
-    <source_key>3</source_key>
-    <sink_key>2</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>digital_fll_band_edge_cc_0</source_block_id>
-    <sink_block_id>qtgui_number_sink_0</sink_block_id>
-    <source_key>1</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>digital_fll_band_edge_cc_0</source_block_id>
-    <sink_block_id>digital_correlate_and_sync_cc_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>digital_fll_band_edge_cc_0</source_block_id>
-    <sink_block_id>qtgui_number_sink_0</sink_block_id>
-    <source_key>2</source_key>
-    <sink_key>1</sink_key>
-  </connection>
   <connection>
     <source_block_id>digital_pfb_clock_sync_xxx_0</source_block_id>
     <sink_block_id>hamnet70_correct_phase_from_tag_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
+  <connection>
+    <source_block_id>digital_pfb_clock_sync_xxx_0</source_block_id>
+    <sink_block_id>hamnet70_freq_est_lr_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>digital_pfb_clock_sync_xxx_0</source_block_id>
+    <sink_block_id>qtgui_time_sink_x_1_0_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
   <connection>
     <source_block_id>hamnet70_correct_phase_from_tag_0</source_block_id>
-    <sink_block_id>qtgui_sink_x_0</sink_block_id>
+    <sink_block_id>qtgui_const_sink_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
@@ -2692,12 +3384,30 @@
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
+  <connection>
+    <source_block_id>hamnet70_freq_est_lr_0</source_block_id>
+    <sink_block_id>hamnet70_pid_controller_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
   <connection>
     <source_block_id>hamnet70_mod_sc16qam_0</source_block_id>
     <sink_block_id>blocks_throttle_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
+  <connection>
+    <source_block_id>hamnet70_pid_controller_0</source_block_id>
+    <sink_block_id>analog_sig_source_x_0</sink_block_id>
+    <source_key>control_value</source_key>
+    <sink_key>freq</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>hamnet70_pid_controller_0</source_block_id>
+    <sink_block_id>blocks_message_debug_0_0</sink_block_id>
+    <source_key>control_value</source_key>
+    <sink_key>print</sink_key>
+  </connection>
   <connection>
     <source_block_id>rational_resampler_xxx_0</source_block_id>
     <sink_block_id>channels_channel_model_0</sink_block_id>