[GreenKeys] Handset for teletype model 28

[Gavin Wuchter]

Ok, I will look into that as well, thank you!

On Wed, Jun 3, 2026 at 10:53 PM hwhall at aol.com <hwhall at compuserve.com>
wrote:

> Other than the tones, there's the sending speed that must match. You may
> want to verify the coupler's loop keying circuit is 100% okay, too.
>
> Wayne
>
> On Wednesday, June 3, 2026 at 09:48:42 PM MDT, Gavin Wuchter via GreenKeys
> <greenkeys at mailman.qth.net> wrote:
>
> That was the goal, but I am new to this (I am a musician, this is the
> hobby to keep me sane) I did see a video by Usagi Electric that a coupler
> was used and the ITTY tones into a coupler to print on a model 15, unless I
> missed something which is totally possible,
>
> Here is the video:
> https://youtu.be/sSiVYgot9SI?si=igRFAfj7NvoKzAPB
> Thank you!
>
> On Wed, Jun 3, 2026 at 10:43 PM hwhall at aol.com <hwhall at compuserve.com>
> wrote:
> > It's not clear to me... are you hoping to feed ITTY tones into the phone
> coupler & the coupler to drive the teletype? Are you sure ITTY is sending
> out tones that are compatible with the phone coupler? (I haven't used ITTY
> yet.) IIRC, the phone line teletype operations used different tones than
> are commonly used in on-the-air AFSK RTTY. There may be a tone mismatch
> that's causing the poor copy.
> >
> > Wayne
> > WB4OGM
> >
> > On Wednesday, June 3, 2026 at 09:18:53 PM MDT, Gavin Wuchter via
> GreenKeys <greenkeys at mailman.qth.net> wrote:
> >
> > hello again!
> >
> > I am having some success with my teletype model 28 ASR, I got it power
> on and typing! Very exciting, now I would love to get it to print
> information, like the ITTY broadcast. I currently have a phonetype coupler
> with it that I put together with a cell to Jack since that is the only
> thing I have on hand at the moment, but it being a cheap Bluetooth
> converter the quality isn’t near enough for the teletype to decode. but the
> cell to Jack also doesn’t natively play audio through its speaker, but with
> what I was able to put through it my model 28 was only able to get a few
> characters at most. So I am trying to find a way to if possible play the
> audio through a handset to get it to print information.
> >
> > Here is one option I have seen:
> > https://payphone.com/handset-with-3.5mm-trs-audio-jack-hs-trrs-1.html
> >
> >
> > I don’t know what other options are out there for me and this machine,
> > I have owned other model 28s and also 15s and 33s. But this is the first
> time I am really trying to do something cool with a teletype.
> >
> > For the handset I listed above I would plan to plug it into a laptop to
> get the signal through it,
> >
> > But let me know what other people have tried and done before.
> >
> > Thank you all in advance!
> >
> > Sincerely,
> > Gavin Wuchter
> >
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