[GreenKeys] Teletype TT-36/GGA-1 TD for crypto system

[Duncan Brown]

Thanks, Nick & Paul!!

I'm traveling right now, but will take a close look at it when I get  home.

Duncan

On 16-Mar-20 10:33, Nick England wrote:
> Paul Cembura let me borrow his manual RS-5562 for scanning, RS- means 
> it is a Restricted publication, the first I have seen.
> http://www.navy-radio.com/manuals/tty/5562RS-ENG-iss1-4612.pdf
>
> This manual covers Duncan's strange TD (TT-36/GGA-1) which we have 
> discussed before. When enciphering plain text this tape reader breaks 
> a clear text tape into 5 letter groups, inserts CR/CR/LF after 10 
> groups, etc. When deciphering it takes out the extraneous spaces 
> between 5 letter groups.
>
> As best I can tell from this manual and from a little AN/GGA-1 
> description, I believe that this was used to feed characters to the 
> KL-47 off-line crypto machine. Or, using the ENG 308 Translator, it 
> could be used to feed an ECM Mk II crypto machine (which was normally 
> an off-line manual machine).
>
> Photos of the GGA-1 and Duncan's TT-36 are at
> http://www.navy-radio.com/crypto.htm#gga1
>
> Any additional info, etc, is greatly appreciated.
>
> Cheers,
> Nick England K4NYW
> www.navy-radio.com <http://www.navy-radio.com>
>
>
>
> ______________________________________________________________
> GreenKeys mailing list
> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
>
> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to duncanancy at earthlink.net