[GreenKeys] TDD Frequencies

[John Spigel]

Gavin, No worries. All is not lost. I can post on https://5bits.net an 
mp3 test file with Mark 1400 and Space 1800. I just need confirmation of 
baud. Some bell systems have 100wpm vs 60wpm. You then play the file on 
your phone.

73, John W1AN

On 04-Jun-26 05:52, Gavin Wuchter via GreenKeys wrote:
> Welp lol, now I guess my question is does anyone know of a software 
> modem or other itty thing that can output the original APCOM/PhoneType on 5bits.net 
> 1400/1800 Hz Baudot tones?
> 
> 
> Or in theory something that can slow down the audio to be slight lower 
> pitch/frequency?
> 
> Just a thought trying to be somewhat cost effective for the equipment I 
> already have.
> 
> Thank you for your help in the search!
> - Gavin
> On Thu, Jun 4, 2026 at 12:43 AM John Lawson via GreenKeys 
> <greenkeys at mailman.qth.net <mailto:greenkeys at mailman.qth.net>> wrote:
> 
>     __ __
> 
>     Ooops: manual states Mark/Space as 1400/1800.____
> 
>     __ __
> 
>     Close, but no guitar…____
> 
>     __ __
> 
>     __ __
> 
>     Cheerz____
> 
>     John____
> 
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