<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.8rc1'?>
<flow_graph>
<timestamp>Sat Jul 12 16:12:28 2014</timestamp>
<block>
<key>options</key>
<param>
<key>author</key>
<value>Example</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>window_size</key>
<value>1280, 1024</value>
</param>
<param>
<key>category</key>
<value>Custom</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>description</key>
<value>UHD FFT Waveform Plotter</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(-1, -3)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>generate_options</key>
<value>qt_gui</value>
</param>
<param>
<key>id</key>
<value>uhd_fft</value>
</param>
<param>
<key>max_nouts</key>
<value>0</value>
</param>
<param>
<key>realtime_scheduling</key>
<value></value>
</param>
<param>
<key>run_options</key>
<value>prompt</value>
</param>
<param>
<key>run</key>
<value>True</value>
</param>
<param>
<key>thread_safe_setters</key>
<value></value>
</param>
<param>
<key>title</key>
<value>UHD FFT</value>
</param>
</block>
<block>
<key>variable_qtgui_chooser</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>antenna</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(664, 435)</value>
</param>
<param>
<key>gui_hint</key>
<value>4,2,1,2</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>ant</value>
</param>
<param>
<key>label0</key>
<value>RX2</value>
</param>
<param>
<key>label1</key>
<value>TX/RX</value>
</param>
<param>
<key>label2</key>
<value>J1</value>
</param>
<param>
<key>label3</key>
<value>J2</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>label</key>
<value>Antenna</value>
</param>
<param>
<key>labels</key>
<value>[]</value>
</param>
<param>
<key>num_opts</key>
<value>4</value>
</param>
<param>
<key>option0</key>
<value>RX2</value>
</param>
<param>
<key>option1</key>
<value>TX/RX</value>
</param>
<param>
<key>option2</key>
<value>J1</value>
</param>
<param>
<key>option3</key>
<value>J2</value>
</param>
<param>
<key>option4</key>
<value>4</value>
</param>
<param>
<key>options</key>
<value>[0, 1, 2]</value>
</param>
<param>
<key>orient</key>
<value>Qt.QVBoxLayout</value>
</param>
<param>
<key>type</key>
<value>string</value>
</param>
<param>
<key>widget</key>
<value>combo_box</value>
</param>
</block>
<block>
<key>variable_function_probe</key>
<param>
<key>block_id</key>
<value>uhd_usrp_source_0</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>function_args</key>
<value>"'lo_locked'"</value>
</param>
<param>
<key>function_name</key>
<value>get_sensor</value>
</param>
<param>
<key>_coordinate</key>
<value>(888, 131)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>chan0_lo_locked</value>
</param>
<param>
<key>poll_rate</key>
<value>10</value>
</param>
<param>
<key>value</key>
<value>uhd.sensor_value("", False, "")</value>
</param>
</block>
<block>
<key>variable_function_probe</key>
<param>
<key>block_id</key>
<value>uhd_usrp_source_0</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>function_args</key>
<value>"'lo_locked'"</value>
</param>
<param>
<key>function_name</key>
<value>get_sensor</value>
</param>
<param>
<key>_coordinate</key>
<value>(888, 267)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>current_freq_c</value>
</param>
<param>
<key>poll_rate</key>
<value>10</value>
</param>
<param>
<key>value</key>
<value>freq_c</value>
</param>
</block>
<block>
<key>variable_qtgui_entry</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>freq</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(528, 347)</value>
</param>
<param>
<key>gui_hint</key>
<value>3,0,1,2</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>freq_c</value>
</param>
<param>
<key>label</key>
<value>RX Tune Frequency</value>
</param>
<param>
<key>type</key>
<value>real</value>
</param>
</block>
<block>
<key>variable_qtgui_range</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>gain</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(656, 211)</value>
</param>
<param>
<key>gui_hint</key>
<value>2,0,1,4</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>gain_</value>
</param>
<param>
<key>label</key>
<value>RX Gain</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>.5</value>
</param>
<param>
<key>stop</key>
<value>31.5</value>
</param>
<param>
<key>rangeType</key>
<value>float</value>
</param>
<param>
<key>widget</key>
<value>counter_slider</value>
</param>
</block>
<block>
<key>variable_qtgui_label</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>chan0_lo_locked.to_bool()</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>formatter</key>
<value>None</value>
</param>
<param>
<key>_coordinate</key>
<value>(528, 435)</value>
</param>
<param>
<key>gui_hint</key>
<value>4,0,1,2</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>lo_locked_probe</value>
</param>
<param>
<key>label</key>
<value>LO locked</value>
</param>
<param>
<key>type</key>
<value>bool</value>
</param>
</block>
<block>
<key>variable_qtgui_entry</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>samp_rate</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(680, 347)</value>
</param>
<param>
<key>gui_hint</key>
<value>3,2,1,2</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>samp_rate_</value>
</param>
<param>
<key>label</key>
<value>Sampling Rate</value>
</param>
<param>
<key>type</key>
<value>real</value>
</param>
</block>
<block>
<key>variable_qtgui_label</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>uhd.get_version_string()</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>formatter</key>
<value>None</value>
</param>
<param>
<key>_coordinate</key>
<value>(536, 131)</value>
</param>
<param>
<key>gui_hint</key>
<value>1,0,1,2</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>uhd_version_info</value>
</param>
<param>
<key>label</key>
<value>UHD Version</value>
</param>
<param>
<key>type</key>
<value>string</value>
</param>
</block>
<block>
<key>variable_qtgui_label</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>uhd.get_version_string()</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>formatter</key>
<value>None</value>
</param>
<param>
<key>_coordinate</key>
<value>(712, 131)</value>
</param>
<param>
<key>gui_hint</key>
<value>1,2,1,2</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>usrp_device_info</value>
</param>
<param>
<key>label</key>
<value>Device Information</value>
</param>
<param>
<key>type</key>
<value>raw</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(792, 3)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>antenna</value>
</param>
<param>
<key>label</key>
<value>Antenna</value>
</param>
<param>
<key>short_id</key>
<value>A</value>
</param>
<param>
<key>type</key>
<value>string</value>
</param>
<param>
<key>value</key>
<value>RX2</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(176, -5)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>args</value>
</param>
<param>
<key>label</key>
<value>UHD device address args</value>
</param>
<param>
<key>short_id</key>
<value>a</value>
</param>
<param>
<key>type</key>
<value>string</value>
</param>
<param>
<key>value</key>
<value></value>
</param>
</block>
<block>
<key>qtgui_tab_widget</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(6, 178)</value>
</param>
<param>
<key>gui_hint</key>
<value>0,0,1,4</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>display</value>
</param>
<param>
<key>label0</key>
<value>Spectrum</value>
</param>
<param>
<key>label1</key>
<value>Waterfall</value>
</param>
<param>
<key>label10</key>
<value>Tab 10</value>
</param>
<param>
<key>label11</key>
<value>Tab 11</value>
</param>
<param>
<key>label12</key>
<value>Tab 12</value>
</param>
<param>
<key>label13</key>
<value>Tab 13</value>
</param>
<param>
<key>label14</key>
<value>Tab 14</value>
</param>
<param>
<key>label15</key>
<value>Tab 15</value>
</param>
<param>
<key>label16</key>
<value>Tab 16</value>
</param>
<param>
<key>label17</key>
<value>Tab 17</value>
</param>
<param>
<key>label18</key>
<value>Tab 18</value>
</param>
<param>
<key>label19</key>
<value>Tab 19</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>label5</key>
<value>Tab 5</value>
</param>
<param>
<key>label6</key>
<value>Tab 6</value>
</param>
<param>
<key>label7</key>
<value>Tab 7</value>
</param>
<param>
<key>label8</key>
<value>Tab 8</value>
</param>
<param>
<key>label9</key>
<value>Tab 9</value>
</param>
<param>
<key>num_tabs</key>
<value>3</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1104, -5)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>fft_size</value>
</param>
<param>
<key>label</key>
<value>Set number of FFT bins</value>
</param>
<param>
<key>short_id</key>
<value></value>
</param>
<param>
<key>type</key>
<value>intx</value>
</param>
<param>
<key>value</key>
<value>1024</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(478, 0)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>freq</value>
</param>
<param>
<key>label</key>
<value>Default Frequency</value>
</param>
<param>
<key>short_id</key>
<value>f</value>
</param>
<param>
<key>type</key>
<value>eng_float</value>
</param>
<param>
<key>value</key>
<value>2.45e9</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(632, 3)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>gain</value>
</param>
<param>
<key>label</key>
<value>Set gain in dB (default is midpoint)</value>
</param>
<param>
<key>short_id</key>
<value>g</value>
</param>
<param>
<key>type</key>
<value>eng_float</value>
</param>
<param>
<key>value</key>
<value>20</value>
</param>
</block>
<block>
<key>import</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(4, 105)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>import_0</value>
</param>
<param>
<key>import</key>
<value>import numpy</value>
</param>
</block>
<block>
<key>qtgui_freq_sink_x</key>
<param>
<key>autoscale</key>
<value>False</value>
</param>
<param>
<key>average</key>
<value>0.1</value>
</param>
<param>
<key>bw</key>
<value>samp_rate_</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>fc</key>
<value>freq</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>True</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>fftsize</key>
<value>fft_size</value>
</param>
<param>
<key>_coordinate</key>
<value>(311, 217)</value>
</param>
<param>
<key>gui_hint</key>
<value>display@0:0,0,1,4</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid</key>
<value>True</value>
</param>
<param>
<key>id</key>
<value>qtgui_freq_sink_x_0</value>
</param>
<param>
<key>legend</key>
<value>False</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>width1</key>
<value>1</value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>color10</key>
<value>"dark blue"</value>
</param>
<param>
<key>label10</key>
<value></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>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>False</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>update_time</key>
<value>update_rate</value>
</param>
<param>
<key>wintype</key>
<value>firdes.WIN_BLACKMAN_hARRIS</value>
</param>
<param>
<key>ymax</key>
<value>10</value>
</param>
<param>
<key>ymin</key>
<value>-140</value>
</param>
</block>
<block>
<key>qtgui_time_sink_x</key>
<param>
<key>autoscale</key>
<value>True</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>True</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>(312, 427)</value>
</param>
<param>
<key>gui_hint</key>
<value>display@2:0,0,1,4</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_0</value>
</param>
<param>
<key>legend</key>
<value>False</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></value>
</param>
<param>
<key>nconnections</key>
<value>1</value>
</param>
<param>
<key>size</key>
<value>1024</value>
</param>
<param>
<key>srate</key>
<value>samp_rate_</value>
</param>
<param>
<key>tr_chan</key>
<value>0</value>
</param>
<param>
<key>tr_delay</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>""</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>update_time</key>
<value>update_rate</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>qtgui_waterfall_sink_x</key>
<param>
<key>bw</key>
<value>samp_rate_</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>fc</key>
<value>freq</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>fftsize</key>
<value>1024</value>
</param>
<param>
<key>_coordinate</key>
<value>(320, 315)</value>
</param>
<param>
<key>gui_hint</key>
<value>display@1:0,0,1,4</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid</key>
<value>False</value>
</param>
<param>
<key>id</key>
<value>qtgui_waterfall_sink_x_0</value>
</param>
<param>
<key>int_max</key>
<value>10</value>
</param>
<param>
<key>int_min</key>
<value>-140</value>
</param>
<param>
<key>legend</key>
<value>True</value>
</param>
<param>
<key>alpha1</key>
<value>1.0</value>
</param>
<param>
<key>color1</key>
<value>0</value>
</param>
<param>
<key>label1</key>
<value></value>
</param>
<param>
<key>alpha10</key>
<value>1.0</value>
</param>
<param>
<key>color10</key>
<value>0</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>alpha2</key>
<value>1.0</value>
</param>
<param>
<key>color2</key>
<value>0</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>color3</key>
<value>0</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>color4</key>
<value>0</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>color5</key>
<value>0</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>color6</key>
<value>0</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>color7</key>
<value>0</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>color8</key>
<value>0</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>color9</key>
<value>0</value>
</param>
<param>
<key>label9</key>
<value></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>type</key>
<value>complex</value>
</param>
<param>
<key>update_time</key>
<value>update_rate</value>
</param>
<param>
<key>wintype</key>
<value>firdes.WIN_BLACKMAN_hARRIS</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(352, -5)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>samp_rate</value>
</param>
<param>
<key>label</key>
<value>Sample Rate</value>
</param>
<param>
<key>short_id</key>
<value>s</value>
</param>
<param>
<key>type</key>
<value>eng_float</value>
</param>
<param>
<key>value</key>
<value>1e6</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(888, -13)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>spec</value>
</param>
<param>
<key>label</key>
<value>Subdev</value>
</param>
<param>
<key>short_id</key>
<value></value>
</param>
<param>
<key>type</key>
<value>string</value>
</param>
<param>
<key>value</key>
<value></value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(176, 115)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>stream_args</value>
</param>
<param>
<key>label</key>
<value>Set additional stream args</value>
</param>
<param>
<key>short_id</key>
<value></value>
</param>
<param>
<key>type</key>
<value>string</value>
</param>
<param>
<key>value</key>
<value></value>
</param>
</block>
<block>
<key>uhd_usrp_source</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>ant0</key>
<value>ant</value>
</param>
<param>
<key>bw0</key>
<value>samp_rate</value>
</param>
<param>
<key>center_freq0</key>
<value>float(freq_c)</value>
</param>
<param>
<key>norm_gain0</key>
<value>False</value>
</param>
<param>
<key>gain0</key>
<value>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>args</value>
</param>
<param>
<key>dev_args</key>
<value>""</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(64, 299)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>uhd_usrp_source_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>clock_source0</key>
<value></value>
</param>
<param>
<key>sd_spec0</key>
<value>spec</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>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>nchan</key>
<value>1</value>
</param>
<param>
<key>num_mboards</key>
<value>1</value>
</param>
<param>
<key>type</key>
<value>fc32</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate_</value>
</param>
<param>
<key>stream_args</key>
<value>stream_args</value>
</param>
<param>
<key>stream_chans</key>
<value>[]</value>
</param>
<param>
<key>sync</key>
<value></value>
</param>
<param>
<key>otw</key>
<value>wire_format</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1104, 107)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>update_rate</value>
</param>
<param>
<key>label</key>
<value>Set GUI widget update rate</value>
</param>
<param>
<key>short_id</key>
<value></value>
</param>
<param>
<key>type</key>
<value>eng_float</value>
</param>
<param>
<key>value</key>
<value>.1</value>
</param>
</block>
<block>
<key>parameter</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(984, -5)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>wire_format</value>
</param>
<param>
<key>label</key>
<value>Wire format</value>
</param>
<param>
<key>short_id</key>
<value></value>
</param>
<param>
<key>type</key>
<value>string</value>
</param>
<param>
<key>value</key>
<value></value>
</param>
</block>
<connection>
<source_block_id>qtgui_freq_sink_x_0</source_block_id>
<sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
<source_key>freq</source_key>
<sink_key>freq</sink_key>
</connection>
<connection>
<source_block_id>qtgui_freq_sink_x_0</source_block_id>
<sink_block_id>uhd_usrp_source_0</sink_block_id>
<source_key>freq</source_key>
<sink_key>command</sink_key>
</connection>
<connection>
<source_block_id>uhd_usrp_source_0</source_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>uhd_usrp_source_0</source_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>qtgui_waterfall_sink_x_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
</flow_graph>