1 files changed, 1203 insertions, 99 deletions
diff --git a/gr-dtv/examples/catv_tx_64qam.grc b/gr-dtv/examples/catv_tx_64qam.grc
index 964ef8470f..0a59580479 100644
--- a/gr-dtv/examples/catv_tx_64qam.grc
+++ b/gr-dtv/examples/catv_tx_64qam.grc
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<?grc format='1' created='3.7.10'?>
+<?grc format='1' created='3.7.11'?>
 <flow_graph>
   <timestamp>Thu Feb 20 21:02:41 2014</timestamp>
   <block>
@@ -30,7 +30,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 11)</value>
+      <value>(8, 12)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -38,7 +38,7 @@
     </param>
     <param>
       <key>generate_options</key>
-      <value>wx_gui</value>
+      <value>qt_gui</value>
     </param>
     <param>
       <key>hier_block_src_path</key>
@@ -93,7 +93,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 299)</value>
+      <value>(8, 268)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -120,7 +120,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 371)</value>
+      <value>(8, 332)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -147,7 +147,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 443)</value>
+      <value>(8, 396)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -174,7 +174,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 155)</value>
+      <value>(8, 140)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -186,7 +186,7 @@
     </param>
     <param>
       <key>value</key>
-      <value>429000000</value>
+      <value>429e6</value>
     </param>
   </block>
   <block>
@@ -201,7 +201,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 227)</value>
+      <value>(8, 204)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -228,7 +228,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(8, 83)</value>
+      <value>(8, 76)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -244,93 +244,156 @@
     </param>
   </block>
   <block>
-    <key>variable_slider</key>
+    <key>variable_qtgui_range</key>
     <param>
       <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>converver</key>
-      <value>int_converter</value>
-    </param>
-    <param>
       <key>value</key>
-      <value>-8</value>
+      <value>50</value>
     </param>
     <param>
       <key>_enabled</key>
-      <value>1</value>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(312, 11)</value>
+      <value>(544, 16)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
-      <key>grid_pos</key>
+      <key>id</key>
+      <value>tx_gain</value>
+    </param>
+    <param>
+      <key>label</key>
       <value></value>
     </param>
     <param>
+      <key>min_len</key>
+      <value>200</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>start</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>89</value>
+    </param>
+    <param>
+      <key>rangeType</key>
+      <value>float</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter_slider</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>-8</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(296, 16)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
       <key>id</key>
       <value>vga1_gain</value>
     </param>
     <param>
       <key>label</key>
-      <value>VGA1 Gain</value>
+      <value></value>
     </param>
     <param>
-      <key>max</key>
-      <value>-4</value>
+      <key>min_len</key>
+      <value>200</value>
     </param>
     <param>
-      <key>min</key>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>start</key>
       <value>-35</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>step</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>-4</value>
     </param>
     <param>
-      <key>num_steps</key>
-      <value>31</value>
+      <key>rangeType</key>
+      <value>int</value>
     </param>
     <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
+      <key>widget</key>
+      <value>counter_slider</value>
     </param>
   </block>
   <block>
-    <key>variable_slider</key>
+    <key>variable_qtgui_range</key>
     <param>
       <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>converver</key>
-      <value>int_converter</value>
-    </param>
-    <param>
       <key>value</key>
       <value>10</value>
     </param>
     <param>
       <key>_enabled</key>
-      <value>1</value>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(448, 11)</value>
+      <value>(416, 16)</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>gui_hint</key>
+      <value></value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value></value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
       <key>id</key>
@@ -338,27 +401,35 @@
     </param>
     <param>
       <key>label</key>
-      <value>VGA2 Gain</value>
+      <value></value>
     </param>
     <param>
-      <key>max</key>
-      <value>25</value>
+      <key>min_len</key>
+      <value>200</value>
     </param>
     <param>
-      <key>min</key>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>start</key>
       <value>0</value>
     </param>
     <param>
-      <key>notebook</key>
-      <value></value>
+      <key>step</key>
+      <value>1</value>
     </param>
     <param>
-      <key>num_steps</key>
+      <key>stop</key>
       <value>25</value>
     </param>
     <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
+      <key>rangeType</key>
+      <value>int</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter_slider</value>
     </param>
   </block>
   <block>
@@ -385,7 +456,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(128, 163)</value>
+      <value>(144, 148)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -444,7 +515,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(624, 163)</value>
+      <value>(640, 148)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -491,7 +562,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(536, 251)</value>
+      <value>(536, 244)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -546,7 +617,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(584, 347)</value>
+      <value>(624, 340)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -585,7 +656,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(424, 353)</value>
+      <value>(440, 344)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -624,7 +695,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(848, 177)</value>
+      <value>(880, 160)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -663,7 +734,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(360, 177)</value>
+      <value>(376, 160)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -702,7 +773,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(800, 353)</value>
+      <value>(176, 504)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -732,8 +803,16 @@
       <value></value>
     </param>
     <param>
-      <key>rate</key>
-      <value>C_OTHER</value>
+      <key>rate1</key>
+      <value>C1_4</value>
+    </param>
+    <param>
+      <key>rate2</key>
+      <value>C1_5_MEDIUM</value>
+    </param>
+    <param>
+      <key>rate3</key>
+      <value>C1_4</value>
     </param>
     <param>
       <key>comment</key>
@@ -757,7 +836,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(400, 499)</value>
+      <value>(376, 492)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -804,7 +883,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(168, 339)</value>
+      <value>(176, 332)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -851,7 +930,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(712, 507)</value>
+      <value>(664, 484)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1802,11 +1881,11 @@
     </param>
     <param>
       <key>_enabled</key>
-      <value>True</value>
+      <value>1</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(1056, 467)</value>
+      <value>(1072, 452)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1902,107 +1981,1126 @@
     </param>
   </block>
   <block>
-    <key>wxgui_fftsink2</key>
+    <key>qtgui_freq_sink_x</key>
     <param>
-      <key>avg_alpha</key>
-      <value>0.1333</value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
       <key>average</key>
+      <value>0.2</value>
+    </param>
+    <param>
+      <key>axislabels</key>
       <value>True</value>
     </param>
     <param>
-      <key>baseband_freq</key>
-      <value>center_freq</value>
+      <key>bw</key>
+      <value>samp_rate</value>
     </param>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
+      <key>fc</key>
+      <value>center_freq</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>_enabled</key>
-      <value>1</value>
+      <value>True</value>
     </param>
     <param>
-      <key>fft_size</key>
+      <key>fftsize</key>
       <value>1024</value>
     </param>
     <param>
-      <key>freqvar</key>
-      <value>None</value>
+      <key>_coordinate</key>
+      <value>(880, 284)</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(1056, 203)</value>
+      <key>gui_hint</key>
+      <value></value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value></value>
+      <key>grid</key>
+      <value>True</value>
     </param>
     <param>
       <key>id</key>
-      <value>wxgui_fftsink2_0_0</value>
+      <value>qtgui_freq_sink_x_0</value>
+    </param>
+    <param>
+      <key>legend</key>
+      <value>True</value>
     </param>
     <param>
-      <key>notebook</key>
+      <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>peak_hold</key>
-      <value>False</value>
+      <key>width1</key>
+      <value>1</value>
     </param>
     <param>
-      <key>ref_level</key>
-      <value>-10</value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>ref_scale</key>
-      <value>2.0</value>
+      <key>color10</key>
+      <value>"dark blue"</value>
     </param>
     <param>
-      <key>fft_rate</key>
-      <value>15</value>
+      <key>label10</key>
+      <value></value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
+      <key>width10</key>
+      <value>1</value>
     </param>
     <param>
-      <key>title</key>
-      <value>FFT Plot</value>
+      <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>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>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>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>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>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>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>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>width9</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>name</key>
+      <value>""</value>
+    </param>
+    <param>
+      <key>nconnections</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>showports</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>freqhalf</key>
+      <value>True</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_tag</key>
+      <value>""</value>
     </param>
     <param>
       <key>type</key>
       <value>complex</value>
     </param>
     <param>
-      <key>win_size</key>
-      <value>640,480</value>
+      <key>update_time</key>
+      <value>0.10</value>
     </param>
     <param>
-      <key>win</key>
-      <value>None</value>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
     </param>
     <param>
-      <key>y_divs</key>
-      <value>10</value>
+      <key>label</key>
+      <value>Relative Gain</value>
     </param>
     <param>
-      <key>y_per_div</key>
+      <key>ymax</key>
       <value>10</value>
     </param>
+    <param>
+      <key>ymin</key>
+      <value>-140</value>
+    </param>
+    <param>
+      <key>units</key>
+      <value>dB</value>
+    </param>
+  </block>
+  <block>
+    <key>uhd_usrp_sink</key>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>ant0</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw0</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq0</key>
+      <value>center_freq</value>
+    </param>
+    <param>
+      <key>norm_gain0</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain0</key>
+      <value>tx_gain</value>
+    </param>
+    <param>
+      <key>ant10</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw10</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq10</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain10</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain10</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant11</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw11</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq11</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain11</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain11</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant12</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw12</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq12</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain12</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain12</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant13</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw13</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq13</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain13</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain13</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant14</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw14</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq14</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain14</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain14</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant15</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw15</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq15</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain15</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain15</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant16</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw16</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq16</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain16</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain16</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant17</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw17</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq17</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain17</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain17</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant18</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw18</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq18</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain18</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain18</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant19</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw19</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq19</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain19</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain19</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw1</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq1</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain1</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain1</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant20</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw20</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq20</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain20</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain20</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant21</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw21</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq21</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain21</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain21</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant22</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw22</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq22</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain22</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain22</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant23</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw23</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq23</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain23</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain23</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant24</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw24</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq24</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain24</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain24</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant25</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw25</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq25</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain25</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain25</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant26</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw26</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq26</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain26</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain26</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant27</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw27</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq27</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain27</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain27</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant28</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw28</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq28</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain28</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain28</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant29</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw29</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq29</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain29</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain29</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw2</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq2</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain2</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain2</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant30</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw30</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq30</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain30</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain30</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant31</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw31</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq31</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain31</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain31</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant3</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw3</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq3</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain3</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain3</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw4</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq4</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain4</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain4</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant5</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw5</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq5</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain5</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain5</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw6</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq6</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain6</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain6</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant7</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw7</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq7</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain7</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain7</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant8</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw8</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq8</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain8</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain8</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>ant9</key>
+      <value></value>
+    </param>
+    <param>
+      <key>bw9</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>center_freq9</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>norm_gain9</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>gain9</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>clock_rate</key>
+      <value>0.0</value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>dev_addr</key>
+      <value>"send_frame_size=65536,num_send_frames=128,master_clock_rate=" + str(samp_rate*4)</value>
+    </param>
+    <param>
+      <key>dev_args</key>
+      <value>""</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1072, 336)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>uhd_usrp_sink_0</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>fc32</value>
+    </param>
+    <param>
+      <key>clock_source0</key>
+      <value></value>
+    </param>
+    <param>
+      <key>sd_spec0</key>
+      <value></value>
+    </param>
+    <param>
+      <key>time_source0</key>
+      <value></value>
+    </param>
+    <param>
+      <key>clock_source1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>sd_spec1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>time_source1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>clock_source2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>sd_spec2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>time_source2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>clock_source3</key>
+      <value></value>
+    </param>
+    <param>
+      <key>sd_spec3</key>
+      <value></value>
+    </param>
+    <param>
+      <key>time_source3</key>
+      <value></value>
+    </param>
+    <param>
+      <key>clock_source4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>sd_spec4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>time_source4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>clock_source5</key>
+      <value></value>
+    </param>
+    <param>
+      <key>sd_spec5</key>
+      <value></value>
+    </param>
+    <param>
+      <key>time_source5</key>
+      <value></value>
+    </param>
+    <param>
+      <key>clock_source6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>sd_spec6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>time_source6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>clock_source7</key>
+      <value></value>
+    </param>
+    <param>
+      <key>sd_spec7</key>
+      <value></value>
+    </param>
+    <param>
+      <key>time_source7</key>
+      <value></value>
+    </param>
+    <param>
+      <key>nchan</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>num_mboards</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>hide_cmd_port</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>hide_lo_controls</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>stream_args</key>
+      <value></value>
+    </param>
+    <param>
+      <key>stream_chans</key>
+      <value>[]</value>
+    </param>
+    <param>
+      <key>sync</key>
+      <value></value>
+    </param>
+    <param>
+      <key>len_tag_name</key>
+      <value></value>
+    </param>
+    <param>
+      <key>otw</key>
+      <value></value>
+    </param>
   </block>
   <connection>
     <source_block_id>blocks_file_source_0</source_block_id>
@@ -2072,7 +3170,13 @@
   </connection>
   <connection>
     <source_block_id>fft_filter_xxx_0</source_block_id>
-    <sink_block_id>wxgui_fftsink2_0_0</sink_block_id>
+    <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>fft_filter_xxx_0</source_block_id>
+    <sink_block_id>uhd_usrp_sink_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>