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<?xml version='1.0' encoding='ASCII'?><flow_graph><timestamp>Sun May 4 02:42:45 2014</timestamp><block><key>options</key><param><key>id</key><value>Records_player</value></param><param><key>_enabled</key><value>True</value></param><param><key>title</key><value></value></param><param><key>author</key><value>Jakub Kakona</value></param><param><key>description</key><value></value></param><param><key>window_size</key><value>4096, 1024</value></param><param><key>generate_options</key><value>wx_gui</value></param><param><key>category</key><value>Custom</value></param><param><key>run_options</key><value>prompt</value></param><param><key>run</key><value>True</value></param><param><key>max_nouts</key><value>0</value></param><param><key>realtime_scheduling</key><value></value></param><param><key>_coordinate</key><value>(10, 10)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>variable</key><param><key>id</key><value>samp_rate</value></param><param><key>_enabled</key><value>True</value></param><param><key>value</key><value>5e6</value></param><param><key>_coordinate</key><value>(235, 14)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>blocks_interleave</key><param><key>id</key><value>blocks_interleave_0</value></param><param><key>_enabled</key><value>True</value></param><param><key>type</key><value>short</value></param><param><key>num_streams</key><value>2</value></param><param><key>vlen</key><value>1</value></param><param><key>affinity</key><value></value></param><param><key>minoutbuf</key><value>0</value></param><param><key>maxoutbuf</key><value>0</value></param><param><key>_coordinate</key><value>(334, 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440)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>blocks_short_to_float</key><param><key>id</key><value>blocks_short_to_float_1</value></param><param><key>_enabled</key><value>True</value></param><param><key>vlen</key><value>1</value></param><param><key>scale</key><value>1</value></param><param><key>affinity</key><value></value></param><param><key>minoutbuf</key><value>0</value></param><param><key>maxoutbuf</key><value>0</value></param><param><key>_coordinate</key><value>(497, 493)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>notebook</key><param><key>id</key><value>notebook_0</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>['RF signal', 'Scope', 'Demod']</value></param><param><key>grid_pos</key><value></value></param><param><key>notebook</key><value></value></param><param><key>_coordinate</key><value>(245, 934)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>wxgui_waterfallsink2</key><param><key>id</key><value>wxgui_waterfallsink2_1</value></param><param><key>_enabled</key><value>True</value></param><param><key>type</key><value>complex</value></param><param><key>title</key><value>IF Plot</value></param><param><key>samp_rate</key><value>10e3</value></param><param><key>baseband_freq</key><value>0</value></param><param><key>dynamic_range</key><value>100</value></param><param><key>ref_level</key><value>0</value></param><param><key>ref_scale</key><value>2.0</value></param><param><key>fft_size</key><value>1024</value></param><param><key>fft_rate</key><value>15</value></param><param><key>average</key><value>False</value></param><param><key>avg_alpha</key><value>0</value></param><param><key>win</key><value>window.blackmanharris</value></param><param><key>win_size</key><value>1200, 800</value></param><param><key>grid_pos</key><value></value></param><param><key>notebook</key><value>notebook_0, 2</value></param><param><key>freqvar</key><value>None</value></param><param><key>affinity</key><value></value></param><param><key>_coordinate</key><value>(477, 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255)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>blocks_throttle</key><param><key>id</key><value>blocks_throttle_2</value></param><param><key>_enabled</key><value>False</value></param><param><key>type</key><value>short</value></param><param><key>samples_per_second</key><value>samp_rate/2</value></param><param><key>vlen</key><value>10</value></param><param><key>affinity</key><value></value></param><param><key>minoutbuf</key><value>0</value></param><param><key>maxoutbuf</key><value>0</value></param><param><key>_coordinate</key><value>(41, 214)</value></param><param><key>_rotation</key><value>270</value></param></block><block><key>blocks_vector_to_streams</key><param><key>id</key><value>blocks_vector_to_streams_0</value></param><param><key>_enabled</key><value>True</value></param><param><key>type</key><value>short</value></param><param><key>num_streams</key><value>10</value></param><param><key>vlen</key><value>1</value></param><param><key>affinity</key><value></value></param><param><key>minoutbuf</key><value>0</value></param><param><key>maxoutbuf</key><value>0</value></param><param><key>_coordinate</key><value>(131, 222)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>audio_sink</key><param><key>id</key><value>audio_sink_0</value></param><param><key>_enabled</key><value>False</value></param><param><key>samp_rate</key><value>48000</value></param><param><key>device_name</key><value></value></param><param><key>ok_to_block</key><value>True</value></param><param><key>num_inputs</key><value>1</value></param><param><key>affinity</key><value></value></param><param><key>_coordinate</key><value>(619, 974)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>rational_resampler_xxx</key><param><key>id</key><value>rational_resampler_xxx_0</value></param><param><key>_enabled</key><value>False</value></param><param><key>type</key><value>ccf</value></param><param><key>interp</key><value>48</value></param><param><key>decim</key><value>500</value></param><param><key>taps</key><value></value></param><param><key>fbw</key><value>0</value></param><param><key>affinity</key><value></value></param><param><key>minoutbuf</key><value>0</value></param><param><key>maxoutbuf</key><value>0</value></param><param><key>_coordinate</key><value>(1028, 953)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>low_pass_filter</key><param><key>id</key><value>low_pass_filter_0</value></param><param><key>_enabled</key><value>True</value></param><param><key>type</key><value>fir_filter_ccf</value></param><param><key>decim</key><value>int(samp_rate/10e3)</value></param><param><key>interp</key><value>1</value></param><param><key>gain</key><value>1</value></param><param><key>samp_rate</key><value>samp_rate</value></param><param><key>cutoff_freq</key><value>3e3</value></param><param><key>width</key><value>1e3</value></param><param><key>win</key><value>firdes.WIN_HAMMING</value></param><param><key>beta</key><value>6.76</value></param><param><key>affinity</key><value></value></param><param><key>minoutbuf</key><value>0</value></param><param><key>maxoutbuf</key><value>0</value></param><param><key>_coordinate</key><value>(300, 747)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>wxgui_scopesink2</key><param><key>id</key><value>wxgui_scopesink2_1</value></param><param><key>_enabled</key><value>True</value></param><param><key>type</key><value>float</value></param><param><key>title</key><value>Scope Plot</value></param><param><key>samp_rate</key><value>samp_rate/2</value></param><param><key>v_scale</key><value>0</value></param><param><key>v_offset</key><value>0</value></param><param><key>t_scale</key><value>1e-2</value></param><param><key>ac_couple</key><value>False</value></param><param><key>xy_mode</key><value>False</value></param><param><key>num_inputs</key><value>2</value></param><param><key>win_size</key><value></value></param><param><key>grid_pos</key><value></value></param><param><key>notebook</key><value>notebook_0, 1</value></param><param><key>trig_mode</key><value>wxgui.TRIG_MODE_AUTO</value></param><param><key>y_axis_label</key><value>Counts</value></param><param><key>affinity</key><value></value></param><param><key>_coordinate</key><value>(893, 84)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>blocks_float_to_complex</key><param><key>id</key><value>blocks_float_to_complex_0</value></param><param><key>_enabled</key><value>True</value></param><param><key>vlen</key><value>1</value></param><param><key>affinity</key><value></value></param><param><key>minoutbuf</key><value>0</value></param><param><key>maxoutbuf</key><value>0</value></param><param><key>_coordinate</key><value>(835, 598)</value></param><param><key>_rotation</key><value>270</value></param></block><block><key>wxgui_scopesink2</key><param><key>id</key><value>wxgui_scopesink2_0</value></param><param><key>_enabled</key><value>False</value></param><param><key>type</key><value>float</value></param><param><key>title</key><value>Scope Plot</value></param><param><key>samp_rate</key><value>samp_rate</value></param><param><key>v_scale</key><value>0</value></param><param><key>v_offset</key><value>0</value></param><param><key>t_scale</key><value>0</value></param><param><key>ac_couple</key><value>False</value></param><param><key>xy_mode</key><value>False</value></param><param><key>num_inputs</key><value>4</value></param><param><key>win_size</key><value></value></param><param><key>grid_pos</key><value></value></param><param><key>notebook</key><value>notebook_0, 1</value></param><param><key>trig_mode</key><value>wxgui.TRIG_MODE_AUTO</value></param><param><key>y_axis_label</key><value>Counts</value></param><param><key>affinity</key><value></value></param><param><key>_coordinate</key><value>(653, 609)</value></param><param><key>_rotation</key><value>270</value></param></block><block><key>wxgui_waterfallsink2</key><param><key>id</key><value>wxgui_waterfallsink2_0</value></param><param><key>_enabled</key><value>True</value></param><param><key>type</key><value>complex</value></param><param><key>title</key><value>ADC2 Waterfall Plot</value></param><param><key>samp_rate</key><value>samp_rate</value></param><param><key>baseband_freq</key><value>0</value></param><param><key>dynamic_range</key><value>100</value></param><param><key>ref_level</key><value>0</value></param><param><key>ref_scale</key><value>2.0</value></param><param><key>fft_size</key><value>512</value></param><param><key>fft_rate</key><value>15</value></param><param><key>average</key><value>False</value></param><param><key>avg_alpha</key><value>0</value></param><param><key>win</key><value>window.hanning</value></param><param><key>win_size</key><value></value></param><param><key>grid_pos</key><value></value></param><param><key>notebook</key><value>notebook_0, 0</value></param><param><key>freqvar</key><value>None</value></param><param><key>affinity</key><value></value></param><param><key>_coordinate</key><value>(1077, 539)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>wxgui_waterfallsink2</key><param><key>id</key><value>wxgui_waterfallsink2_0_0</value></param><param><key>_enabled</key><value>False</value></param><param><key>type</key><value>complex</value></param><param><key>title</key><value>ADC1 Waterfall Plot</value></param><param><key>samp_rate</key><value>samp_rate</value></param><param><key>baseband_freq</key><value>0</value></param><param><key>dynamic_range</key><value>100</value></param><param><key>ref_level</key><value>0</value></param><param><key>ref_scale</key><value>2.0</value></param><param><key>fft_size</key><value>1024</value></param><param><key>fft_rate</key><value>15</value></param><param><key>average</key><value>False</value></param><param><key>avg_alpha</key><value>0</value></param><param><key>win</key><value>None</value></param><param><key>win_size</key><value></value></param><param><key>grid_pos</key><value></value></param><param><key>notebook</key><value>notebook_0, 0</value></param><param><key>freqvar</key><value>None</value></param><param><key>affinity</key><value></value></param><param><key>_coordinate</key><value>(1062, 148)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>blocks_multiply_const_vxx</key><param><key>id</key><value>blocks_multiply_const_vxx_0</value></param><param><key>_enabled</key><value>True</value></param><param><key>type</key><value>float</value></param><param><key>const</key><value>0.000125</value></param><param><key>vlen</key><value>1</value></param><param><key>affinity</key><value></value></param><param><key>minoutbuf</key><value>0</value></param><param><key>maxoutbuf</key><value>0</value></param><param><key>_coordinate</key><value>(733, 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878)</value></param><param><key>_rotation</key><value>0</value></param></block><block><key>blocks_complex_to_float</key><param><key>id</key><value>blocks_complex_to_float_0</value></param><param><key>_enabled</key><value>True</value></param><param><key>vlen</key><value>1</value></param><param><key>affinity</key><value></value></param><param><key>minoutbuf</key><value>0</value></param><param><key>maxoutbuf</key><value>0</value></param><param><key>_coordinate</key><value>(509, 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