q5

Updated: May 1, 2025

But if he has heard you he will alter the pattern. For the first half minute he will send SV1OE DE G3FNJ and for the ensuing minute and a half he will transmit the letter O which signifies that he has heard your callsign completely and without difficulty i.e. Q5 in the Q Code.

Norman F. Joly - The Dawn of Amateur Radio in the U.K. and Greece: a personal view