Good Evening Aki, Is the frequency of the *hum* modulation the same as the frequency of your sidetone, or one of its harmonics or sub-harmonics?
73, Geoff GM4ESD ----- Original Message ----- From: "a.yoshida" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, May 06, 2005 11:21 PM Subject: [Elecraft] K2 CW Tone > K2 #4504 > A few days ago I received RST 597 report on 20m CW. > Then checked transmitted CW monitoring with other radio. > Following is subjective report. > > 80m >>> 599 > 40m >>> 599 > 30m >>> 599 > 20m >>> 597 Carrier seems to be modurated by hum. > 17m >>> 598 Same as above > 15m >>> 599 > 12m >>> 599 > 10m >>> 599 > > K2 is far enough from magnetic source. > Changing power (2W, 5W, 10W) does not make any difference. > I do not know why tone is poor only on those 2 bands. > Any suggestion please. > > 73 de aki, ja1nlx _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
