733fe76ed5
Increase fft_size from 512 (default) to 2048 for better NFM channel isolation, and add squelch_snr_threshold = 15.0 dB per channel to reject noise-triggered recordings. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
69 lines
1.4 KiB
Plaintext
69 lines
1.4 KiB
Plaintext
# RTLSDR-Airband configuration for EU CB radio monitoring
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# Channels: 3 (26.985 MHz), 7 (27.035 MHz), 10 (27.075 MHz)
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localtime = false;
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fft_size = 2048;
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devices:
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({
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type = "rtlsdr";
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index = 0;
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gain = 15.0;
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centerfreq = 27.035;
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correction = -1;
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mode = "multichannel";
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sample_rate = 2.4;
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channels:
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(
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{
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freq = 26.985;
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bandwidth = 8000;
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modulation = "nfm";
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squelch_snr_threshold = 15.0;
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label = "CB-CH03";
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outputs: (
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{
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type = "file";
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directory = "/recordings";
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filename_template = "CB_CH03_26985";
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split_on_transmission = true;
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dated_subdirectories = true;
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}
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);
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},
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{
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freq = 27.035;
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bandwidth = 8000;
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modulation = "nfm";
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squelch_snr_threshold = 15.0;
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label = "CB-CH07";
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outputs: (
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{
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type = "file";
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directory = "/recordings";
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filename_template = "CB_CH07_27035";
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split_on_transmission = true;
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dated_subdirectories = true;
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}
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);
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},
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{
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freq = 27.075;
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bandwidth = 8000;
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modulation = "nfm";
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squelch_snr_threshold = 15.0;
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label = "CB-CH10";
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outputs: (
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{
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type = "file";
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directory = "/recordings";
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filename_template = "CB_CH10_27075";
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split_on_transmission = true;
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dated_subdirectories = true;
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}
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);
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}
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);
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});
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