Chas; You don't need to add a reactance modulator to the KX1. The AD9834 DDS will directly generate FSK. It would almost be a trivial mod for Elecraft to add a firmware option for FSK31 that is activated through the key jack.
A computer is a lot heavier to lug around than a KX1. A small lightweight portable keyboard and display would be much more compatible. The marketing issue would be cost. It would probably cost a substantial fraction of the KX1 price to sell such an option. -John ----- Original Message ----- From: "Charles Greene" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, October 08, 2004 3:58 AM Subject: Re: [Elecraft] Re: KX1 PSK31? [how about FSK?] > John, > > I would think the first step should be to add a reactance modulator and > simple interface to a computer sound card, ala the psk20, to the KX1 and > use it with an ordinary computer, running a program like MixW. Mixw > supports FSK31 by sending an FM modulated signal via the computer sound > card to the mike input of a transceiver. For example, I can operate FSK31 > on my K2 now; I just have to select it in MixW. I have a simple interface > made up. Anyone can do this with any rig that operates on PSK31. The only > difference is that the KX1 finals would operate class C, and the other rigs > finals would operate class AB or some other linear mode. Of course that > means you carry a LapTop with you when you go portable, but some have > stated that isn't a problem. To have Elecraft to make a small keyboard and > display that would plug into a KX1 type radio and allow if to transmit and > receive FSK31, seems to be reinventing the computer. HP, Dell, etc do it > pretty well, Yes I'd like to have one, but from Elecraft's point of view > I'm not sure there is much of a market for that. Also, I'm not sure who > you would talk to, as I have never seen FSK31 used, but maybe we could > start an Elecraft net. > > 73, > > Chas, W1CG > _______________________________________________ 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
