Rolf, That looks like a 3rd harmonic (of the audio) to me - perhaps caused by overdriving the soundcard.
73, Don W3FPR > -----Original Message----- > > I have been thinking my K2's filters. I worked EARTTY today. Look for > the following pictures. K4GMF is transmitting around 1000Hz. There is an > unnecessary extra audio peak around 2.5 to 2.8kHz > > http://ugly.blerp.org/~oh6kxl/350Hzfilter.jpg > http://ugly.blerp.org/~oh6kxl/350Hzfilter2.jpg > > _______________________________________________ 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
