1 files changed, 1003 insertions, 430 deletions
diff --git a/gr-uhd/examples/grc/uhd_fft.grc b/gr-uhd/examples/grc/uhd_fft.grc
index 08e5f70edb..13271cae74 100644
--- a/gr-uhd/examples/grc/uhd_fft.grc
+++ b/gr-uhd/examples/grc/uhd_fft.grc
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='ASCII'?>
 <flow_graph>
-  <timestamp>Mon Mar 18 15:42:27 2013</timestamp>
+  <timestamp>Sat Jul 12 16:12:28 2014</timestamp>
   <block>
     <key>options</key>
     <param>
@@ -29,7 +29,7 @@
     </param>
     <param>
       <key>generate_options</key>
-      <value>wx_gui</value>
+      <value>qt_gui</value>
     </param>
     <param>
       <key>category</key>
@@ -52,8 +52,12 @@
       <value></value>
     </param>
     <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(15, 15)</value>
+      <value>(-1, -3)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -61,22 +65,38 @@
     </param>
   </block>
   <block>
-    <key>import</key>
+    <key>parameter</key>
     <param>
       <key>id</key>
-      <value>import_0</value>
+      <value>param_gain</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>import</key>
-      <value>import numpy</value>
+      <key>label</key>
+      <value>Default Gain</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>eng_float</value>
+    </param>
+    <param>
+      <key>short_id</key>
+      <value>g</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(15, 121)</value>
+      <value>(642, 0)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -110,8 +130,12 @@
       <value>s</value>
     </param>
     <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(358, 14)</value>
+      <value>(328, 0)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -145,8 +169,39 @@
       <value>f</value>
     </param>
     <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(478, 0)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>import</key>
+    <param>
+      <key>id</key>
+      <value>import_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>import</key>
+      <value>import numpy</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(508, 14)</value>
+      <value>(4, 105)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -157,7 +212,7 @@
     <key>parameter</key>
     <param>
       <key>id</key>
-      <value>param_gain</value>
+      <value>address</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -165,23 +220,78 @@
     </param>
     <param>
       <key>label</key>
-      <value>Default Gain</value>
+      <value>IP Address</value>
     </param>
     <param>
       <key>value</key>
-      <value>0</value>
+      <value>addr=192.168.10.2</value>
     </param>
     <param>
       <key>type</key>
-      <value>eng_float</value>
+      <value>string</value>
     </param>
     <param>
       <key>short_id</key>
-      <value>g</value>
+      <value>a</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(160, 0)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>qtgui_tab_widget</key>
+    <param>
+      <key>id</key>
+      <value>display</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>num_tabs</key>
+      <value>3</value>
+    </param>
+    <param>
+      <key>label0</key>
+      <value>Spectrum</value>
+    </param>
+    <param>
+      <key>label1</key>
+      <value>Waterfall</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value>Scope</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value>Tab 3</value>
+    </param>
+    <param>
+      <key>label4</key>
+      <value>Tab 4</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>2,0,1,4</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(672, 13)</value>
+      <value>(6, 178)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -189,10 +299,348 @@
     </param>
   </block>
   <block>
-    <key>wxgui_scopesink2</key>
+    <key>variable_qtgui_range</key>
     <param>
       <key>id</key>
-      <value>wxgui_scopesink2_0</value>
+      <value>gain</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>RX Gain</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>15</value>
+    </param>
+    <param>
+      <key>start</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>31.5</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>.5</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter_slider</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>min_len</key>
+      <value>200</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>1,2,1,2</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(694, 216)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_range</key>
+    <param>
+      <key>id</key>
+      <value>freq</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>RX Tune Frequency</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>2.45e9</value>
+    </param>
+    <param>
+      <key>start</key>
+      <value>50e6</value>
+    </param>
+    <param>
+      <key>stop</key>
+      <value>6e9</value>
+    </param>
+    <param>
+      <key>step</key>
+      <value>100e3</value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>counter_slider</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.Horizontal</value>
+    </param>
+    <param>
+      <key>min_len</key>
+      <value>200</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>1,0,1,2</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(538, 214)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_chooser</key>
+    <param>
+      <key>id</key>
+      <value>ant</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Antenna</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>string</value>
+    </param>
+    <param>
+      <key>num_opts</key>
+      <value>4</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>RX2</value>
+    </param>
+    <param>
+      <key>options</key>
+      <value>[0, 1, 2]</value>
+    </param>
+    <param>
+      <key>labels</key>
+      <value>[]</value>
+    </param>
+    <param>
+      <key>option0</key>
+      <value>RX2</value>
+    </param>
+    <param>
+      <key>label0</key>
+      <value>RX2</value>
+    </param>
+    <param>
+      <key>option1</key>
+      <value>TX/RX</value>
+    </param>
+    <param>
+      <key>label1</key>
+      <value>TX/RX</value>
+    </param>
+    <param>
+      <key>option2</key>
+      <value>J1</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value>J1</value>
+    </param>
+    <param>
+      <key>option3</key>
+      <value>J2</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value>J2</value>
+    </param>
+    <param>
+      <key>option4</key>
+      <value>4</value>
+    </param>
+    <param>
+      <key>label4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>widget</key>
+      <value>combo_box</value>
+    </param>
+    <param>
+      <key>orient</key>
+      <value>Qt.QVBoxLayout</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>0,2,1,2</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(810, 124)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_label</key>
+    <param>
+      <key>id</key>
+      <value>lo_locked_probe</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>LO locked</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>bool</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>chan0_lo_locked.to_bool()</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>0,1,1,1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(662, 127)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_qtgui_label</key>
+    <param>
+      <key>id</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Sample Rate</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>real</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>1e6</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>0,0,1,1</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(543, 128)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_function_probe</key>
+    <param>
+      <key>id</key>
+      <value>chan0_lo_locked</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>uhd.sensor_value("", False, "")</value>
+    </param>
+    <param>
+      <key>block_id</key>
+      <value>uhd_usrp_source_0</value>
+    </param>
+    <param>
+      <key>function_name</key>
+      <value>get_sensor</value>
+    </param>
+    <param>
+      <key>function_args</key>
+      <value>"'lo_locked'"</value>
+    </param>
+    <param>
+      <key>poll_rate</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1014, 164)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>qtgui_waterfall_sink_x</key>
+    <param>
+      <key>id</key>
+      <value>qtgui_waterfall_sink_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
@@ -203,60 +651,407 @@
       <value>complex</value>
     </param>
     <param>
-      <key>title</key>
-      <value>Scope Plot</value>
+      <key>name</key>
+      <value>Scope</value>
     </param>
     <param>
-      <key>samp_rate</key>
+      <key>fftsize</key>
+      <value>1024</value>
+    </param>
+    <param>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>freq</value>
+    </param>
+    <param>
+      <key>bw</key>
       <value>samp_rate</value>
     </param>
     <param>
-      <key>v_scale</key>
+      <key>nconnections</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>display@1:3,0,1,4</value>
+    </param>
+    <param>
+      <key>label1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color2</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alpha2</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color3</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alpha3</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color4</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alpha4</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label5</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color5</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alpha5</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label6</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color6</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alpha6</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label7</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color7</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alpha7</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label8</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color8</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alpha8</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label9</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color9</key>
       <value>0</value>
     </param>
     <param>
-      <key>v_offset</key>
+      <key>alpha9</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label10</key>
+      <value></value>
+    </param>
+    <param>
+      <key>color10</key>
       <value>0</value>
     </param>
     <param>
-      <key>t_scale</key>
+      <key>alpha10</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(325, 328)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
       <value>0</value>
     </param>
+  </block>
+  <block>
+    <key>qtgui_freq_sink_x</key>
+    <param>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>name</key>
+      <value>Spectrum</value>
+    </param>
+    <param>
+      <key>fftsize</key>
+      <value>1024</value>
+    </param>
+    <param>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>freq</value>
+    </param>
+    <param>
+      <key>bw</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>autoscale</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>average</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-140</value>
+    </param>
+    <param>
+      <key>ymax</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>nconnections</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>display@0:3,0,1,4</value>
+    </param>
+    <param>
+      <key>label1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width1</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>"blue"</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width2</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color2</key>
+      <value>"red"</value>
+    </param>
+    <param>
+      <key>alpha2</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label3</key>
+      <value></value>
+    </param>
     <param>
-      <key>ac_couple</key>
-      <value>False</value>
+      <key>width3</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color3</key>
+      <value>"green"</value>
+    </param>
+    <param>
+      <key>alpha3</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label4</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width4</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color4</key>
+      <value>"black"</value>
+    </param>
+    <param>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>xy_mode</key>
-      <value>False</value>
+      <key>label5</key>
+      <value></value>
     </param>
     <param>
-      <key>num_inputs</key>
+      <key>width5</key>
       <value>1</value>
     </param>
     <param>
-      <key>win_size</key>
+      <key>color5</key>
+      <value>"cyan"</value>
+    </param>
+    <param>
+      <key>alpha5</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label6</key>
       <value></value>
     </param>
     <param>
-      <key>grid_pos</key>
+      <key>width6</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color6</key>
+      <value>"magenta"</value>
+    </param>
+    <param>
+      <key>alpha6</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label7</key>
       <value></value>
     </param>
     <param>
-      <key>notebook</key>
-      <value>nb0, 2</value>
+      <key>width7</key>
+      <value>1</value>
     </param>
     <param>
-      <key>trig_mode</key>
-      <value>wxgui.TRIG_MODE_AUTO</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
-      <key>y_axis_label</key>
-      <value>Counts</value>
+      <key>alpha7</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label8</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width8</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color8</key>
+      <value>"dark red"</value>
+    </param>
+    <param>
+      <key>alpha8</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label9</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width9</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color9</key>
+      <value>"dark green"</value>
+    </param>
+    <param>
+      <key>alpha9</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>label10</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width10</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>color10</key>
+      <value>"dark blue"</value>
+    </param>
+    <param>
+      <key>alpha10</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(314, 250)</value>
+      <value>(311, 217)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -286,10 +1081,18 @@
       <value></value>
     </param>
     <param>
+      <key>stream_chans</key>
+      <value>[]</value>
+    </param>
+    <param>
       <key>dev_addr</key>
       <value>address</value>
     </param>
     <param>
+      <key>dev_args</key>
+      <value>""</value>
+    </param>
+    <param>
       <key>sync</key>
       <value></value>
     </param>
@@ -918,176 +1721,24 @@
       <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(37, 394)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_function_probe</key>
-    <param>
-      <key>id</key>
-      <value>chan0_lo_locked</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>uhd.sensor_value("", False, "")</value>
-    </param>
-    <param>
-      <key>block_id</key>
-      <value>uhd_usrp_source_0</value>
-    </param>
-    <param>
-      <key>function_name</key>
-      <value>get_sensor</value>
-    </param>
-    <param>
-      <key>function_args</key>
-      <value>"'lo_locked'"</value>
-    </param>
-    <param>
-      <key>poll_rate</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(583, 432)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>notebook</key>
-    <param>
-      <key>id</key>
-      <value>nb0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.NB_TOP</value>
-    </param>
-    <param>
-      <key>labels</key>
-      <value>['FFT', 'Waterfall', 'Scope']</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>0, 0, 1, 8</value>
-    </param>
-    <param>
-      <key>notebook</key>
+      <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(15, 172)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_chooser</key>
-    <param>
-      <key>id</key>
-      <value>ant_xcvr</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Antenna</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>"J2"</value>
-    </param>
-    <param>
-      <key>choices</key>
-      <value>["J2","J1"]</value>
-    </param>
-    <param>
-      <key>labels</key>
-      <value>["J2","J1"]</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>radio_buttons</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.RA_HORIZONTAL</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value></value>
-    </param>
-    <param>
-      <key>notebook</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(830, 278)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
+      <key>minoutbuf</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable_static_text</key>
-    <param>
-      <key>id</key>
-      <value>lo_locked_probe</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>LO Locked</value>
-    </param>
     <param>
-      <key>value</key>
-      <value>chan0_lo_locked.to_bool()</value>
-    </param>
-    <param>
-      <key>converver</key>
-      <value>str_converter</value>
-    </param>
-    <param>
-      <key>formatter</key>
-      <value>lambda x: x and "True" or "False"</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>1, 7, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(583, 314)</value>
+      <value>(33, 295)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1095,412 +1746,334 @@
     </param>
   </block>
   <block>
-    <key>variable_chooser</key>
+    <key>qtgui_time_sink_x</key>
     <param>
       <key>id</key>
-      <value>ant</value>
+      <value>qtgui_time_sink_x_0</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>Antenna</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>"RX2"</value>
-    </param>
-    <param>
-      <key>choices</key>
-      <value>["RX2","TX/RX"]</value>
-    </param>
-    <param>
-      <key>labels</key>
-      <value>["RX2","TX/RX"]</value>
-    </param>
-    <param>
       <key>type</key>
-      <value>radio_buttons</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.RA_HORIZONTAL</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>1, 4, 1, 2</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
+      <value>complex</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(830, 130)</value>
+      <key>name</key>
+      <value>QT GUI Plot</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>size</key>
+      <value>1024</value>
     </param>
-  </block>
-  <block>
-    <key>wxgui_fftsink2</key>
     <param>
-      <key>id</key>
-      <value>fft</value>
+      <key>srate</key>
+      <value>samp_rate</value>
     </param>
     <param>
-      <key>_enabled</key>
+      <key>autoscale</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>FFT Plot</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
+      <key>ymin</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>baseband_freq</key>
-      <value>freq</value>
-    </param>
-    <param>
-      <key>y_per_div</key>
-      <value>10</value>
+      <key>ymax</key>
+      <value>1</value>
     </param>
     <param>
-      <key>y_divs</key>
-      <value>15</value>
+      <key>nconnections</key>
+      <value>1</value>
     </param>
     <param>
-      <key>ref_level</key>
-      <value>0</value>
+      <key>update_time</key>
+      <value>0.10</value>
     </param>
     <param>
-      <key>ref_scale</key>
-      <value>2.0</value>
+      <key>entags</key>
+      <value>True</value>
     </param>
     <param>
-      <key>fft_size</key>
-      <value>1024</value>
+      <key>gui_hint</key>
+      <value>display@2:3,0,1,4</value>
     </param>
     <param>
-      <key>fft_rate</key>
-      <value>15</value>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
     </param>
     <param>
-      <key>peak_hold</key>
-      <value>False</value>
+      <key>tr_slope</key>
+      <value>qtgui.TRIG_SLOPE_POS</value>
     </param>
     <param>
-      <key>average</key>
-      <value>False</value>
+      <key>tr_level</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>avg_alpha</key>
+      <key>tr_delay</key>
       <value>0</value>
     </param>
     <param>
-      <key>win</key>
-      <value>None</value>
+      <key>tr_chan</key>
+      <value>0</value>
     </param>
     <param>
-      <key>win_size</key>
-      <value>(-1, 400)</value>
+      <key>tr_tag</key>
+      <value>""</value>
     </param>
     <param>
-      <key>grid_pos</key>
+      <key>label1</key>
       <value></value>
     </param>
     <param>
-      <key>notebook</key>
-      <value>nb0, 0</value>
-    </param>
-    <param>
-      <key>freqvar</key>
-      <value>None</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(314, 359)</value>
+      <key>width1</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>color1</key>
+      <value>"blue"</value>
     </param>
-  </block>
-  <block>
-    <key>wxgui_waterfallsink2</key>
     <param>
-      <key>id</key>
-      <value>wxgui_waterfallsink2_0</value>
+      <key>style1</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>marker1</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>alpha1</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>title</key>
-      <value>Waterfall Plot</value>
+      <key>label2</key>
+      <value></value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
+      <key>width2</key>
+      <value>1</value>
     </param>
     <param>
-      <key>baseband_freq</key>
-      <value>0</value>
+      <key>color2</key>
+      <value>"red"</value>
     </param>
     <param>
-      <key>dynamic_range</key>
-      <value>100</value>
+      <key>style2</key>
+      <value>1</value>
     </param>
     <param>
-      <key>ref_level</key>
-      <value>0</value>
+      <key>marker2</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>ref_scale</key>
-      <value>2.0</value>
+      <key>alpha2</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>fft_size</key>
-      <value>512</value>
+      <key>label3</key>
+      <value></value>
     </param>
     <param>
-      <key>fft_rate</key>
-      <value>15</value>
+      <key>width3</key>
+      <value>1</value>
     </param>
     <param>
-      <key>average</key>
-      <value>False</value>
+      <key>color3</key>
+      <value>"green"</value>
     </param>
     <param>
-      <key>avg_alpha</key>
-      <value>0</value>
+      <key>style3</key>
+      <value>1</value>
     </param>
     <param>
-      <key>win</key>
-      <value>None</value>
+      <key>marker3</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>win_size</key>
-      <value>(-1, 400)</value>
+      <key>alpha3</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>grid_pos</key>
+      <key>label4</key>
       <value></value>
     </param>
     <param>
-      <key>notebook</key>
-      <value>nb0, 1</value>
+      <key>width4</key>
+      <value>1</value>
     </param>
     <param>
-      <key>freqvar</key>
-      <value>None</value>
+      <key>color4</key>
+      <value>"black"</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(313, 573)</value>
+      <key>style4</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>marker4</key>
+      <value>-1</value>
     </param>
-  </block>
-  <block>
-    <key>variable_text_box</key>
     <param>
-      <key>id</key>
-      <value>samp_rate</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label5</key>
+      <value></value>
     </param>
     <param>
-      <key>label</key>
-      <value>Sample Rate</value>
+      <key>width5</key>
+      <value>1</value>
     </param>
     <param>
-      <key>value</key>
-      <value>param_samp_rate</value>
+      <key>color5</key>
+      <value>"cyan"</value>
     </param>
     <param>
-      <key>converver</key>
-      <value>float_converter</value>
+      <key>style5</key>
+      <value>1</value>
     </param>
     <param>
-      <key>formatter</key>
-      <value>None</value>
+      <key>marker5</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value>1, 0, 1, 3</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>notebook</key>
+      <key>label6</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(358, 129)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>width6</key>
+      <value>1</value>
     </param>
-  </block>
-  <block>
-    <key>variable_slider</key>
     <param>
-      <key>id</key>
-      <value>freq</value>
+      <key>color6</key>
+      <value>"magenta"</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>style6</key>
+      <value>1</value>
     </param>
     <param>
-      <key>label</key>
-      <value>RX Tune Frequency</value>
+      <key>marker6</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>value</key>
-      <value>param_freq</value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>min</key>
-      <value>50e6</value>
+      <key>label7</key>
+      <value></value>
     </param>
     <param>
-      <key>max</key>
-      <value>6e9</value>
+      <key>width7</key>
+      <value>1</value>
     </param>
     <param>
-      <key>num_steps</key>
-      <value>1000</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
+      <key>style7</key>
+      <value>1</value>
     </param>
     <param>
-      <key>converver</key>
-      <value>float_converter</value>
+      <key>marker7</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value>3, 0, 1, 8</value>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>notebook</key>
+      <key>label8</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(510, 128)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>width8</key>
+      <value>1</value>
     </param>
-  </block>
-  <block>
-    <key>variable_slider</key>
     <param>
-      <key>id</key>
-      <value>gain</value>
+      <key>color8</key>
+      <value>"dark red"</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>style8</key>
+      <value>1</value>
     </param>
     <param>
-      <key>label</key>
-      <value>RX Gain</value>
+      <key>marker8</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>value</key>
-      <value>param_gain</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>min</key>
-      <value>0</value>
+      <key>label9</key>
+      <value></value>
     </param>
     <param>
-      <key>max</key>
-      <value>31.5</value>
+      <key>width9</key>
+      <value>1</value>
     </param>
     <param>
-      <key>num_steps</key>
-      <value>63</value>
+      <key>color9</key>
+      <value>"dark green"</value>
     </param>
     <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
+      <key>style9</key>
+      <value>1</value>
     </param>
     <param>
-      <key>converver</key>
-      <value>float_converter</value>
+      <key>marker9</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>grid_pos</key>
-      <value>2, 0, 1, 8</value>
+      <key>alpha9</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>notebook</key>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(679, 130)</value>
+      <key>width10</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>color10</key>
+      <value>"blue"</value>
     </param>
-  </block>
-  <block>
-    <key>parameter</key>
     <param>
-      <key>id</key>
-      <value>address</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>style10</key>
+      <value>1</value>
     </param>
     <param>
-      <key>label</key>
-      <value>IP Address</value>
+      <key>marker10</key>
+      <value>-1</value>
     </param>
     <param>
-      <key>value</key>
-      <value>addr=192.168.11.2</value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>string</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>short_id</key>
-      <value>a</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(190, 15)</value>
+      <value>(333, 436)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -1509,19 +2082,19 @@
   </block>
   <connection>
     <source_block_id>uhd_usrp_source_0</source_block_id>
-    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+    <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
     <source_block_id>uhd_usrp_source_0</source_block_id>
-    <sink_block_id>wxgui_waterfallsink2_0</sink_block_id>
+    <sink_block_id>qtgui_waterfall_sink_x_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
     <source_block_id>uhd_usrp_source_0</source_block_id>
-    <sink_block_id>fft</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>