[GreenKeys] british cypher

[John W9DDD]

It would appear that the difference between the auction one and the one Dave has is that the auction one appears to be field programmable.  That may be what makes it rare, and the pegs to program it even rarer.

John, W9DDD


> On Aug 1, 2021, at 3:22 AM, <dave.g4ugm at gmail.com> <dave.g4ugm at gmail.com> wrote:
> 
> This is the one I have mine
> 
> http://www.samhallas.co.uk/repository/telegraph/test_coder.pdf
> 
> Dave
> G4UGM
> 
>> -----Original Message-----
>> From: dave.g4ugm at gmail.com <dave.g4ugm at gmail.com>
>> Sent: 01 August 2021 09:20
>> To: 'John W9DDD' <w9ddd at tapr.org>; jim.w2jc at gmail.com
>> Cc: greenkeys at mailman.qth.net
>> Subject: RE: [GreenKeys] british cypher
>> 
>> Not especially rare. I have a similar device but mine has a PCB with a
> fixed
>> message on. It came from a Telegraph Distortion Testing & Measuring Unit.
>> If you look at a manual for this
>> 
>> http://www.samhallas.co.uk/repository/telegraph/tdms.pdf
>> 
>> you can see the socket it fits...
>> 
>> Dave
>> G4UGM
>> 
>>> -----Original Message-----
>>> From: greenkeys-bounces at mailman.qth.net <greenkeys-
>>> bounces at mailman.qth.net> On Behalf Of John W9DDD
>>> Sent: 01 August 2021 04:39
>>> To: jim.w2jc at gmail.com
>>> Cc: greenkeys at mailman.qth.net
>>> Subject: Re: [GreenKeys] british cypher
>>> 
>>> I think that or a previous listing of same or similar unit had been
>> identified as
>>> an answer back from the UK for not sure what system .  Maybe they will
>> post
>>> the answer again or maybe it find in the archives.
>>> 
>>> John, W9DDD
>>> 
>>> 
>>>> On Jul 31, 2021, at 9:59 PM, Jim Cooper <jim.w2jc at gmail.com> wrote:
>>>> 
>>>> This item
>>>> eBay item number:  384073825380
>>>> 
>>>> is listed as "Baudot code Cypher for Telexes"
>>>> but it looks to me like it is probably an answer-back device ...
>>>> 
>>>> seems to be priced as if it is crypto stuff !!
>>>> 
>>>> w2jc
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