Handheld transceivers should understand anything(3)

Handheld transceivers should understand anything three Prowords Procedure words, or prowords, are easily pronounceable words or phrases that are given specific meanings to expedite message handling. They’re often condensed and designed to not be confused with other words. While there are plenty of universal prowords, like Roger, Over, Out, Negative and Copy, there also might…

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Digital Code Squelch

DCS   CDCSS or Digital Code Squelch (DCS) is a further development of the continuous tone-coded squelch system or CTCSS that uses a slow-speed, binary data stream passed as sub-audible data along with the transmission. Motorola calls this Digital Private Line or DPL. It consists of a 23-bit telegram sent repeatedly on the channel at…

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