Lyle,
> 50 Hz and 100 Hz BW are available in PSK D. > With a 1500 Hz center frequency the narrow filter should be made available in DATA A. I would also argue that it should be made available in AFSK A if MARK <> 2125 (e.g. CF=1000Hz or 1360Hz). Both DATA A and AFSK A are useful for PSK31 which can benefit from the ultra narrow filtering. 73, ... Joe, W4TV > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Lyle Johnson > Sent: Thursday, July 03, 2008 11:59 PM > To: [EMAIL PROTECTED] > Cc: elecraft@mailman.qth.net > Subject: Re: [Elecraft] 2.13 beta > > > > ...I can now only drop to 150 hz in data mode, not 50 like > I was able > > to with 2.10 Any one else seeing this. > > 50 Hz and 100 Hz BW are available in PSK D. > > The reason they are not available in other data modes is because they > are not applicable (AFSK and FSK D), or the fact that the center > frequency allowed for the sharpest FIR filters is limited to > something > under 2 kHz makes them not general. > > 73, > > Lyle KK7P > > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > 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 _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net 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