Knut, > I am still confused as to whether I can *receive* AM with the > FM roofing filter with the *current* firmware. Can someone > please give me an authoritative answer on this? I have just > received the FM filter and the included note seems to imply > that I have to wait for an firmware update. I am not asking > whether I can get more than 3kHz audio BW on AM with but just > simply if it will work?
The unequivocal answer is - it will work but with only 3KHz audio under the current firmware (DSP ver 1.58). My factory built K3 was delivered with MCU 1.78/DSP 1.58 and the FM filter). With the current public firmware, FM is not functional and AM audio is limited to 3 KHz (even with the FM filter). Wayne has said publicly that both FM and wider AM (to 5 or 6 KHz audio response - 10 to 12 KHz IF bandwidth ) is coming in the next version. 73, ... Joe, W4TV _______________________________________________ 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

