Jim,
I know that one can't control the radio, do CW and do FSK (MMTTY, etc.)
all from the same port. That's why I never built the interface for
FSK/CW/PTT. FSK and rig control take two ports no matter how one slices
it. I have rig control/CW/all mode PTT on one port and FSK/RTTY PTT
on another.
73,
... Joe, K4IK
> From: Jim Reisert AD1C
> Sent: Wednesday, May 29, 2002 6:34 AM
> To: Joe Subich, K4IK; w7ti@dslextreme.com; Roger Borowski
> Cc: w2up@mindspring.com; writelog@contesting.com
> Subject: RE: AW: [WriteLog] Erratic CW
>
>
> At 08:54 PM 5/28/2002 -0400, Joe Subich, K4IK wrote:
>
> >I haven't tried it yet, but I believe one could use a single port for
> >both CW and FSK with MMTTY. FSK = TXD, CW = DTR, PTT = RTS. Yes, MMTTY
> >would have PTT on the "CW" line but most rigs will ignore it in FSK
> >mode. In any case, I don't see a need to do it that way as rig control
> >(TxD & RxD), CW (DTR) and all mode PTT (RTS) can be done from a one COM
> >port ... FSK (TxD) and RTTY PTT (RTS) can be done from another
> COM port if
> >necessary.
>
> I built the interface on the old N1RCT page and use it for CW and
> FSK from the same COM port (RITTY or MMTTY). Works with CT too.
> Note that the radio frequency control is on a DIFFERENT COM port,
> I don't think you can make an interface that works for all three,
> or is that what you were speculating?
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