[GreenKeys] RTTY Answerback Unit

[Alf Fisher]

Hi Paul,

Yes that's exactly what I thought!

Alf, G3WSD


On 16/01/2020 17:06, Paul Heller wrote:
> 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 
> <http://internet-tty.net:8000/ITTY>
> AUTOSTART: HTTP://INTERNET-TTY.NET:8030/AUTOSTART 
> <http://internet-tty.net:8030/AUTOSTART>
> EUROPE: HTTP://INTERNET-TTY.NET:8040/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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>
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