What is the HF DSC transmit frequency?

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Multiple Choice

What is the HF DSC transmit frequency?

Explanation:
HF DSC calls rely on a fixed digital calling frequency in the MF/HF band so that distress, safety, and routine digital calls have a dedicated, predictable channel listeners can tune to. The designated transmit frequency in this context is 2185.8 kHz, which places it in the maritime MF/HF DSC region and is chosen to be the standard point for initiating DSC communications. Because DSC is a digital signaling method, using a single, known frequency helps ensure that receiving stations automatically detect and decode the call without needing to scan multiple frequencies. Other numbers here correspond to different services or common reference frequencies: 2187.5 kHz is another widely recognized HF DSC frequency in many standards, but this item uses 2185.8 kHz as the specified transmit channel; 2182 kHz is the traditional MF voice distress channel, not a DSC channel; 2196 kHz isn’t a standard HF DSC transmit frequency.

HF DSC calls rely on a fixed digital calling frequency in the MF/HF band so that distress, safety, and routine digital calls have a dedicated, predictable channel listeners can tune to. The designated transmit frequency in this context is 2185.8 kHz, which places it in the maritime MF/HF DSC region and is chosen to be the standard point for initiating DSC communications. Because DSC is a digital signaling method, using a single, known frequency helps ensure that receiving stations automatically detect and decode the call without needing to scan multiple frequencies. Other numbers here correspond to different services or common reference frequencies: 2187.5 kHz is another widely recognized HF DSC frequency in many standards, but this item uses 2185.8 kHz as the specified transmit channel; 2182 kHz is the traditional MF voice distress channel, not a DSC channel; 2196 kHz isn’t a standard HF DSC transmit frequency.

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