Created
April 7, 2012 16:39
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APT FM receiver using the RTL2832 source
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<?xml version='1.0' encoding='ASCII'?> | |
<flow_graph> | |
<timestamp>Fri Apr 6 11:11:01 2012</timestamp> | |
<block> | |
<key>options</key> | |
<param> | |
<key>id</key> | |
<value>fcd_apt_rx</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>title</key> | |
<value>NOAA APT Receiver</value> | |
</param> | |
<param> | |
<key>author</key> | |
<value>Alexandru Csete OZ9AEC</value> | |
</param> | |
<param> | |
<key>description</key> | |
<value></value> | |
</param> | |
<param> | |
<key>window_size</key> | |
<value>1280, 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>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_static_text</key> | |
<param> | |
<key>id</key> | |
<value>rec_info</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>label</key> | |
<value>Recording to</value> | |
</param> | |
<param> | |
<key>value</key> | |
<value>wav_file</value> | |
</param> | |
<param> | |
<key>converver</key> | |
<value>str_converter</value> | |
</param> | |
<param> | |
<key>formatter</key> | |
<value>None</value> | |
</param> | |
<param> | |
<key>grid_pos</key> | |
<value>1,1,1,1</value> | |
</param> | |
<param> | |
<key>notebook</key> | |
<value></value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(641, 14)</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>960000</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(14, 111)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>variable</key> | |
<param> | |
<key>id</key> | |
<value>max_dev</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>value</key> | |
<value>17000</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(113, 112)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>blks2_fm_demod_cf</key> | |
<param> | |
<key>id</key> | |
<value>blks2_fm_demod_cf</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>chan_rate</key> | |
<value>samp_rate/10</value> | |
</param> | |
<param> | |
<key>audio_decim</key> | |
<value>2</value> | |
</param> | |
<param> | |
<key>deviation</key> | |
<value>max_dev</value> | |
</param> | |
<param> | |
<key>audio_pass</key> | |
<value>5000</value> | |
</param> | |
<param> | |
<key>audio_stop</key> | |
<value>7000</value> | |
</param> | |
<param> | |
<key>gain</key> | |
<value>1.0</value> | |
</param> | |
<param> | |
<key>tau</key> | |
<value>75e-6</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(576, 232)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>audio_sink</key> | |
<param> | |
<key>id</key> | |
<value>audio_sink</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</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>_coordinate</key> | |
<value>(802, 280)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>blks2_rational_resampler_xxx</key> | |
<param> | |
<key>id</key> | |
<value>blks2_rational_resampler_xxx_0</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>type</key> | |
<value>fff</value> | |
</param> | |
<param> | |
<key>decim</key> | |
<value>48000</value> | |
</param> | |
<param> | |
<key>interp</key> | |
<value>11025</value> | |
</param> | |
<param> | |
<key>taps</key> | |
<value>[]</value> | |
</param> | |
<param> | |
<key>fractional_bw</key> | |
<value>0</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(524, 447)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>variable</key> | |
<param> | |
<key>id</key> | |
<value>wav_file</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>value</key> | |
<value>prefix + datetime.now().strftime("%Y.%m.%d.%H.%M.%S") + ".wav"</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(770, 577)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>variable</key> | |
<param> | |
<key>id</key> | |
<value>prefix</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>value</key> | |
<value>"FCD_APT_REC-"</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(633, 578)</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>from datetime import datetime</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(516, 578)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>gr_wavfile_sink</key> | |
<param> | |
<key>id</key> | |
<value>wavfile_sink</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>file</key> | |
<value>wav_file</value> | |
</param> | |
<param> | |
<key>nchan</key> | |
<value>1</value> | |
</param> | |
<param> | |
<key>samp_rate</key> | |
<value>11025</value> | |
</param> | |
<param> | |
<key>bits_per_sample</key> | |
<value>16</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(813, 455)</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</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>10</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>25000</value> | |
</param> | |
<param> | |
<key>width</key> | |
<value>5000</value> | |
</param> | |
<param> | |
<key>win</key> | |
<value>firdes.WIN_HAMMING</value> | |
</param> | |
<param> | |
<key>beta</key> | |
<value>6.76</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(342, 232)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>variable_chooser</key> | |
<param> | |
<key>id</key> | |
<value>lna_gain</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>label</key> | |
<value>LNA gain</value> | |
</param> | |
<param> | |
<key>value</key> | |
<value>0.5</value> | |
</param> | |
<param> | |
<key>choices</key> | |
<value>[0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0]</value> | |
</param> | |
<param> | |
<key>labels</key> | |
<value>[]</value> | |
</param> | |
<param> | |
<key>type</key> | |
<value>drop_down</value> | |
</param> | |
<param> | |
<key>style</key> | |
<value>wx.RA_HORIZONTAL</value> | |
</param> | |
<param> | |
<key>grid_pos</key> | |
<value>2,0,1,1</value> | |
</param> | |
<param> | |
<key>notebook</key> | |
<value></value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(215, 406)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>variable_chooser</key> | |
<param> | |
<key>id</key> | |
<value>sat_freq</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>label</key> | |
<value>Satellite</value> | |
</param> | |
<param> | |
<key>value</key> | |
<value>137500000</value> | |
</param> | |
<param> | |
<key>choices</key> | |
<value>[137620000,137500000,137912500,137100000]</value> | |
</param> | |
<param> | |
<key>labels</key> | |
<value>["NOAA-15","NOAA-17","NOAA-18","NOAA-19"]</value> | |
</param> | |
<param> | |
<key>type</key> | |
<value>drop_down</value> | |
</param> | |
<param> | |
<key>style</key> | |
<value>wx.RA_HORIZONTAL</value> | |
</param> | |
<param> | |
<key>grid_pos</key> | |
<value>1,0,1,1</value> | |
</param> | |
<param> | |
<key>notebook</key> | |
<value></value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(32, 404)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>wxgui_fftsink2</key> | |
<param> | |
<key>id</key> | |
<value>fftsink</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>type</key> | |
<value>complex</value> | |
</param> | |
<param> | |
<key>title</key> | |
<value>RF Spectrum</value> | |
</param> | |
<param> | |
<key>samp_rate</key> | |
<value>samp_rate</value> | |
</param> | |
<param> | |
<key>baseband_freq</key> | |
<value>sat_freq</value> | |
</param> | |
<param> | |
<key>y_per_div</key> | |
<value>10</value> | |
</param> | |
<param> | |
<key>y_divs</key> | |
<value>10</value> | |
</param> | |
<param> | |
<key>ref_level</key> | |
<value>0.0</value> | |
</param> | |
<param> | |
<key>ref_scale</key> | |
<value>1.0</value> | |
</param> | |
<param> | |
<key>fft_size</key> | |
<value>760</value> | |
</param> | |
<param> | |
<key>fft_rate</key> | |
<value>15</value> | |
</param> | |
<param> | |
<key>peak_hold</key> | |
<value>False</value> | |
</param> | |
<param> | |
<key>average</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>avg_alpha</key> | |
<value>0.5</value> | |
</param> | |
<param> | |
<key>win</key> | |
<value>None</value> | |
</param> | |
<param> | |
<key>win_size</key> | |
<value></value> | |
</param> | |
<param> | |
<key>grid_pos</key> | |
<value>0,0,1,2</value> | |
</param> | |
<param> | |
<key>notebook</key> | |
<value></value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(341, 17)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<block> | |
<key>rtl2832_source</key> | |
<param> | |
<key>id</key> | |
<value>rtl2832_source_0</value> | |
</param> | |
<param> | |
<key>_enabled</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>verbose</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>sample_rate</key> | |
<value>samp_rate</value> | |
</param> | |
<param> | |
<key>frequency</key> | |
<value>sat_freq</value> | |
</param> | |
<param> | |
<key>bandwidth</key> | |
<value>1000000</value> | |
</param> | |
<param> | |
<key>relative_gain</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>gain</key> | |
<value>lna_gain</value> | |
</param> | |
<param> | |
<key>gain_mode</key> | |
<value></value> | |
</param> | |
<param> | |
<key>auto_gain_mode</key> | |
<value>False</value> | |
</param> | |
<param> | |
<key>usb_vid</key> | |
<value>0x1d19</value> | |
</param> | |
<param> | |
<key>usb_pid</key> | |
<value>0x1103</value> | |
</param> | |
<param> | |
<key>tuner_name</key> | |
<value></value> | |
</param> | |
<param> | |
<key>read_length</key> | |
<value>0</value> | |
</param> | |
<param> | |
<key>xfer_timeout</key> | |
<value>0</value> | |
</param> | |
<param> | |
<key>use_buffer</key> | |
<value>True</value> | |
</param> | |
<param> | |
<key>buf_mul</key> | |
<value>0</value> | |
</param> | |
<param> | |
<key>buf_level</key> | |
<value>0</value> | |
</param> | |
<param> | |
<key>fir_coeffs</key> | |
<value>[]</value> | |
</param> | |
<param> | |
<key>xtal_freq</key> | |
<value>0</value> | |
</param> | |
<param> | |
<key>_coordinate</key> | |
<value>(51, 220)</value> | |
</param> | |
<param> | |
<key>_rotation</key> | |
<value>0</value> | |
</param> | |
</block> | |
<connection> | |
<source_block_id>low_pass_filter</source_block_id> | |
<sink_block_id>blks2_fm_demod_cf</sink_block_id> | |
<source_key>0</source_key> | |
<sink_key>0</sink_key> | |
</connection> | |
<connection> | |
<source_block_id>blks2_fm_demod_cf</source_block_id> | |
<sink_block_id>audio_sink</sink_block_id> | |
<source_key>0</source_key> | |
<sink_key>0</sink_key> | |
</connection> | |
<connection> | |
<source_block_id>blks2_rational_resampler_xxx_0</source_block_id> | |
<sink_block_id>wavfile_sink</sink_block_id> | |
<source_key>0</source_key> | |
<sink_key>0</sink_key> | |
</connection> | |
<connection> | |
<source_block_id>blks2_fm_demod_cf</source_block_id> | |
<sink_block_id>blks2_rational_resampler_xxx_0</sink_block_id> | |
<source_key>0</source_key> | |
<sink_key>0</sink_key> | |
</connection> | |
<connection> | |
<source_block_id>rtl2832_source_0</source_block_id> | |
<sink_block_id>fftsink</sink_block_id> | |
<source_key>0</source_key> | |
<sink_key>0</sink_key> | |
</connection> | |
<connection> | |
<source_block_id>rtl2832_source_0</source_block_id> | |
<sink_block_id>low_pass_filter</sink_block_id> | |
<source_key>0</source_key> | |
<sink_key>0</sink_key> | |
</connection> | |
</flow_graph> |
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