[GreenKeys] TU replacement

[Dave Wade]

What about RTTY terminal software....

http://www.k7tty.com/

and scroll down to RTTY Terminal

... it will RX via the MMTTY engine and echo to a real TTY but you need an
RS232 to current loop interface...

Dave

> -----Original Message-----
> From: greenkeys-bounces at mailman.qth.net <greenkeys-
> bounces at mailman.qth.net> On Behalf Of John, W9DDD
> Sent: 21 August 2019 19:55
> To: Green Keys <greenkeys at mailman.qth.net>
> Subject: [GreenKeys] TU replacement
> 
> I've been copying ITTY with an old TU I built years ago.  It was for 850
shift, 7
> transistor and a polar relay.  Can't find any documents on it.
> 
> So I figure it's not going to last forever.  The mod for narrow shift
hangs on its
> leads.  When I found it, it looks like it used to have a switch to switch
between
> wide and narrow shift, that's gone.
> 
> Enough history.
> 
> I've been reading docs about MMTTY, fldigi etc.  As near as I can tell
they all
> are oriented towards squirting characters on the screen. I don't see an
option
> to drive an external printer either by bit banging a digital I/O port or a
USB
> device like the volpe board.
> 
> Is there an existing solution and I missed it or?
> 
> --
> John, W9DDD
> Ich habe dreimal abgeschnitten uns jetzt zu kurtz. (I cut it off 3 times
and it's
> still too short.)
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