Q - Quebec - dah-dah-di-dah
Q signals.
Three-letter symbols beginning with Q. Used on CW to save time and on SSB to improve communication clarity, especially with operators who do not have English as a first language.
See also: Definitive List of 'Q' codes.
QRP.
Ham radio 'Q' signal meaning "reduce(d) power", also in general use to denote the use of low power typically below 5 Watts for CW or 10 Watts for SSB.
See also: Definitive List of 'Q' codes.
QSL card.
A postcard that serves as a confirmation of communication between two stations.
Quad Antenna.
Quarter-Wavelength Vertical Antenna.
An antenna constructed of a quarter-wavelength long radiating element placed perpendicular to the earth.