So I'm thinking about wiring up the FSK IN pin on the AUX connector to
do RTTY TX "properly".  I'm curious of a few things before I take the
time to make the cable.  

First off how do people usually drive this signal?  I assume its usually
taken off of a serial port...  I've tried a few RTTY apps and I've
gotten them all to work via AFSK and all seem to have their pros/cons.
I have a feeling in the end that I'll probably most use MMTTY being that
it has a very nice interface into N1MM (unless there is another
application that has a nice interface into N1MM that I should be aware
of).  

Finally my last question is that if this comes off of a UART how has the
timing been for people?  I remember a while back I used a UART to to CW
keying in N1MM.  I remember being embarrassed by the CW that was sent
and I've since bought a K1EL WKUSB kit and put that together...  Very
happy with that little box.  Would I have these same timing issues in
this FSK_IN setup?  If there was ever a stupid thing is trying to use
Windows as an RTOS. ;)

Anyway thoughts appreciated.

~Brett (KC7OTG)

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