Master the Waves: Ham Radio Extra Class 2025 Practice Test – Tune In and Transmit Success!

Question: 1 / 400

What does RTTY stand for in amateur radio?

Radio Transmission Teletype

Reliable Teletype Transmission

Radio Teletype

RTTY stands for Radio Teletype, which reflects its historical roots and function. The term "Teletype" comes from the mechanical typewriters that were used to transmit typed messages over communication lines. In amateur radio, RTTY is a mode that allows operators to send and receive text information using radio waves, utilizing frequency shift keying (FSK). This method encodes the text as audio tones, allowing for accurate digital communication.

Understanding that RTTY utilizes radio frequencies to transmit data emphasizes its connection to both traditional teleprinter technology and modern digital communication methods. The nomenclature "Radio Teletype" effectively conveys the combination of radio transmission and teletype technology, making it clear what the mode is intended for.

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