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sdr-recorder/openspec/specs/cb-channel-16-monitoring/spec.md
Michael Smith 5f28a11aa4 Add CB channel 16 (27.155 MHz) to monitoring 
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-21 22:18:35 +00:00

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Requirement: Monitor CB channel 16

The system SHALL monitor CB channel 16 at 27.155 MHz using narrowband FM demodulation with an 8 kHz bandwidth and a squelch SNR threshold of 9.0 dB.

Scenario: Channel 16 transmission detected

  • WHEN a transmission occurs on 27.155 MHz above the squelch threshold
  • THEN the system records the transmission to a file in the /recordings directory using dated subdirectories and the filename template CB_CH16_27155

Scenario: Channel 16 transmission ends

  • WHEN the signal on 27.155 MHz drops below the squelch threshold
  • THEN the system splits the recording file at the transmission boundary

Requirement: Channel 16 labeled in configuration

The channel entry SHALL use the label CB-CH16 for identification in logs and status output.

Scenario: Channel label appears in config

  • WHEN RTLSDR-Airband loads the configuration
  • THEN channel 16 is identified with the label CB-CH16
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