[GreenKeys] TU for Computer

Jordan Spencer Cunningham js at cunni.co
Thu Jan 10 23:32:23 EST 2019


I have written a wrapper of sorts for fldigi into the program I've been
writing, and I've used that to drive my machines at 45 baud to do what you
are asking. It's been a lower priority for me, but I've run a few broadcast
tests with it thus far (see https://www.youtube.com/watch?v=dNjVA9ilpf8 and
https://www.youtube.com/watch?v=wF93aENy3UI for examples). Eventually I
hope to run regular live broadcasts if I can ever get this house we're
building finished and have a nice dedicated area for my machines again
instead of leaving them to languish in storage.

But no, fldigi doesn't have direct baudot output. What I've done is wire up
my software to communicate with fldigi via plaintext-- ASCII, if you will--
and the USB to TTY boards I built after Eric Volpe's design translate
between plaintext and baudot and send/receive the signals on the current
loops. So it's not technically pure baudot all the way through the process,
but it works for my purposes. Maybe some people turn their noses up at that
and want to remain purists. That's entirely understandable, but if that's
the case, you might as well just stick with the HAL hardware.

Eventually I will be sharing what I've created for anyone else to use, but
it's in a hacky alpha state right now and is thus very unwieldy. I need to
hone it and add a lot of improvements to make it as user-friendly as
possible. I only say all this to show that it's possible to do what you
want with programs like fldigi, but they require further steps to get the
signal all the way to your machines.

--Jordan

On Thu, Jan 10, 2019 at 8:54 PM Jeffrey Angus <jdangus at att.net> wrote:

> On 1/10/19 9:52 PM, Jeffrey Angus wrote:
> > a problem finding any that will support 5N2 or 5N1-1/5
> er 5N2 or 5N1-1/2
>
> --
> "I am a river to my people."
> Jeff-1.0
> WA6FWI
> www.foxsmercantile.com
>
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