[GreenKeys] Precise baud timing

[John, W9DDD]

Start and 5 data bits are 22ms long, stop bit is 31 ms for most 
machines, but some newer ones only use 22ms long stop bit.  So a 
complete character is either 7.42 x 22ms = 163.24 ms  or 7.0 x 22ms = 154ms


On 11/12/2025 9:57 AM, Windows XD wrote:
> Dear all,
>
> I'm working on an adapter which sends out the 7 bit baudot serial 
> signals in software to a teletype and I would like to check that I 
> have my timing correct for each bit. If anyone can find a resource 
> which says or knows of the precise duration of each bit in 45.45 baud 
> serial I would greatly appreciate it. I've looked, but haven't found 
> anything definitive. My program currently works for a period of time 
> but seems to "lose sync" for lack of better words and I think its the 
> timing.
>
> Any help is appreciated!!
>
>
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The above comments or recommendations are SWAG. Use at your own risk.

John, W9DDD