[GreenKeys] TT-36/GGA-1 whazzit?

[Duncan Brown]

Yes, that is definitely a KL-47 on the top of the shelf. The KL-47 
usually contained a tape printer or typing reperf in the upper left 
corner. But in the picture of the GGA-1 in the CSP 6620 spec, it looks 
like there is nothing in that upper compartment of the KL-47. It 
wouldn't need the tape printer/puncher since there was a M14 in the system.

Initially, the KL-47 needed an interface, the TSEC/HL-1, to use it on 
TTY circuits.  I think the TT-36 may have been an early (or special) 
version of the HL-1. The TT-36 has similar controls & connectors to the 
HL-1.

-...-

Thanks for the picture of Perry's TT-39. The cover looks different on 
the front, besides the ears.

have fun,

Duncan
K2OEQ


On 15-Jun-18 05:41, Nick England wrote:
> The crypto unit up top may be a KL-47?
> http://www.cryptomuseum.com/crypto/usa/kl47/index.htm
>
> A copyholder on a TD is pretty odd isn’t it?
>
> Yes Perry’s KSR has ears and a platen wheel. I’ll add his photo.
>
> Nick
>
> On Thu, Jun 14, 2018 at 10:07 PM Duncan Brown 
> <duncanancy at earthlink.net <mailto:duncanancy at earthlink.net>> wrote:
>
>     Nick,
>
>     I just noticed that the TT-36 picture that you just added and the
>     picture in the AN/GGA-1 spec sheet (CSP 6620 ) show a copyholder
>     on the
>     front of the TT-36!  Why would you need a copyholder on something
>     that
>     doesn't have a keyboard?
>
>     Also in the spec sheet list a TT-39 (M15) page printer, but it is
>     not in
>     the picture. Instead there is something that looks like a SIGABA (ECM
>     mark II for Navy folks) encryption machine to the left of the TT-36.
>     Maybe it is the "KL-34 (CSP-3000)" listed? (What's a KL-34???)
>
>     Does Perry's TT-39/GGA-1 have the "ears" on the side of the keyboard
>     (your NAVCOMSTA Greece pictures) or is it a "Model 15 lightweight"?
>
>     Thanks,
>
>     Duncan
>
>
>     >         Hi Duncan. No new info, I just came across another photo
>     in a
>     >         Navy catalog. I should have remembered that you had one and
>     >         sent me photos. Perry W8AU has the TT-39/GGA-1 M15 KSR but I
>     >         don’t think there is anything special about it.
>     >         Mysteries buried at Ft Meade!
>     >
>     >
>
>
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