General exam question G4A10
Subelement G4, AMATEUR RADIO PRACTICES· Group G4A
What is the function of an electronic keyer?
- A.Automatic transmit/receive switching
- B.Automatic generation of dots and dashes for CW operation (correct answer)
- C.To allow time for switching the antenna from the receiver to the transmitter
- D.Computer interface for PSK and RTTY operation
WhyAn electronic keyer automatically generates properly timed dots and dashes for CW operation. An electronic keyer automatically forms properly timed dots and dashes from simple paddle taps, freeing the CW operator from hand-timing every element the way a straight key requires, answer B. It doesn't handle transmit/receive switching, antenna switching, or computer interfacing for PSK/RTTY, those are the jobs of a T/R relay, a sequencer, and a sound-card interface respectively.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2023-2027 NCVEC Element 3 pool (public domain); the explanation above is original writing, see our methodology.
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