[GreenKeys] RTTY Answerback Unit

[Paul Heller]

A device plugged in the loop that waits for WRU and just keys the loop accordingly. That’s all it does. Teletype actually made one of these - mechanical of course. 

This could be done with modern solid state technology. Surely there must be an article somewhere.

Paul
W2TTY

ITTY:			HTTP://INTERNET-TTY.NET:8000/ITTY
AUTOSTART: HTTP://INTERNET-TTY.NET:8030/AUTOSTART
EUROPE:		HTTP://INTERNET-TTY.NET:8040/EUROPE

> On Jan 16, 2020, at 9:24 AM, Alf Fisher <alf at blunham.com> wrote:
> 
> 
> Hello Greenkeys folks,
> One of the essential features of a machine for use on i-Telex is that it has an answerback unit and I know that a workaround has been developed by the designers.
> Unfortunately not every machine has this installed or making the wards is a somewhat exacting process that is beyond the ability of those of us who do kitchen table engineering!
> I was thinking how hard would it be to make an electronic device to perform the function.
> Has anyone had experience of building an electronic answerback unit that could be initiated on receipt of the code.
> In building your own, I don’t think there is any good reason why it couldn’t have more characters than the normal 20.
> I wouldn’t be surprised if someone has written an article in one on the various magazines.
> 
> Any ideas?
> 
> Alf, G3WSD
>  
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