> For Amateur FM operation, the K3 FM filter is required. > Occupied bandwidth of the usual signal is nearly 13 kHz, > the width of the K3 FM filter. Use of a 6 kHz filter > results in horrendous distortion on both Tx and Rx.
OK, that makes "sense" in terms of old standards. It seems strange not to use 2 KHz deviation (6 KHz bandwidth) to allow better spectrum utilization but that's a subject for another forum. 73, ... Joe, W4TV > -----Original Message----- > From: Lyle Johnson [mailto:[EMAIL PROTECTED] > Sent: Thursday, March 27, 2008 6:53 PM > To: Joe Subich, W4TV > Cc: [email protected] > Subject: Re: re [Elecraft] bandwidth select on am mode re K3 > > > > What deviation (bandwidth) is used for FM on 10 meters? Would > > a 6 KHz filter work there or are the "channels" overlapping? > > For Amateur FM operation, the K3 FM filter is required. Occupied > bandwidth of the usual signal is nearly 13 kHz, the width of > the K3 FM > filter. Use of a 6 kHz filter results in horrendous > distortion on both > Tx and Rx. > > 73, > > Lyle KK7P > _______________________________________________ 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
