"73's" appears to go back farther than that: http://www.mikezulu.com/73s.htm
See esp. the QSL cards at the bottom, signed by the old man himself. 73s, Wayne Conrad KF7QGA On 07/18/11 13:01, n...@n5ge.com wrote: > > I'm of the opinion that it started in the early CB days when all the CBer's > were > putting "Seventy Thirds" on each other when signing off or going to their next > harassment frequency. ;o) > > 73's or 73s, whichever it is, is still incorrect. Would you say "best > regardses" to someone? > > 73 is the number used in Amateur Radio messages to represent the phrase, "best > regards", in order to shorten message lengths. If you said 73s to a message > handler he might ask you how many 73s you wanted him to put in a row in the > message. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html