I wrote some time back:
> I've recently acquired a new radio for the N5XU VHF contest
> station. Unlike our other radios, this one requires manually
> toggling the PTT line while sending CW.
>
> We use a Super CMOS Keyer III for the VHF radios. I think
> it would be great if I could have the keyer handle a PTT line
> in addition to the keying line, much like TR Log can do from a
> parallel port CW interface. The Super CMOS Keyer III does not
> do this currently.
>
> Does anyone have ideas/sources for a circuit I could add to
> the keyer to do this?
Dale KG5U sent me a simple circuit description to do exactly what
I wanted. I wired it up on a little corner of perfboard, and
added it to the keyer. It works great. If anyone would like
the details, let me know.
--
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Kenneth E. Harker "Vox Clamantis in Deserto" kharker@cs.utexas.edu
University of Texas at Austin Amateur Radio Callsign: KM5FA
Department of the Computer Sciences President, UT Amateur Radio Club
Taylor Hall TAY 2.124 Maintainer of the Linux Laptop Home Page
Austin, TX 78712-1188 USA http://www.cs.utexas.edu/users/kharker/
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