9 relations: Amateur radio net, ARRL Numbered Radiogram, Message precedence, National Traffic System, Operating signals, PACTOR, Prosigns for Morse code, Radio code, Radiotelephony procedure.
Amateur radio net
An amateur radio net, or simply ham net, is an "on-the-air" gathering of amateur radio operators.
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ARRL Numbered Radiogram
An ARRL Numbered Radiogram is a brevity code used in composing ARRL Radiograms during times of radio congestion.
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Message precedence
Message precedence is an indicator attached to a message indicating its level of urgency, and used in the exchange of radiograms in radiotelegraph and radiotelephony procedures.
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National Traffic System
The National Traffic System (NTS) is an organized network of amateur radio operators sponsored by the American Radio Relay League for the purpose of relaying messages throughout the U.S. and Canada.
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Operating signals
Operating signals are one type of brevity code wherein the signals are designed and used primarily to support the communication of the communications (radio and telegraph) operators among themselves with respect to communications operations, instead of communicating abbreviated messages about non-communications related activities.
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PACTOR
PACTOR is a radio modulation mode used by amateur radio operators, marine radio stations, and radio stations in isolated areas to send and receive digital information via radio.
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Prosigns for Morse code
Procedure signs or prosigns are shorthand signals used in radio telegraphy procedures, for the purpose of simplifying and standardizing communications related to radio operating issues among two or more radio operators.
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Radio code
Radio codes include.
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Radiotelephony procedure
Radiotelephony procedure (also on-air protocol and voice procedure) includes various techniques used to clarify, simplify and standardize spoken communications over two-way radios, in use by the armed forces, in civil aviation, police and fire dispatching systems, citizens' band radio (CB), and Amateur radio.
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