[GreenKeys] Air Force TT-21/FG - Not "normal" - oops - wrong link

[WA5CAB at cs.com]

According to FM 21-6, the 1945 edition of TM 11-2222 covered Model 14 TD's. 
 I don't have that one.  The 1951 edition covers TT-12, 13/FGQ-1 and TT- 
21, 25, 26 and 52/FG.  I have several of those.  

The only Change that I have is C4 dated 1961/07/01.  It says TT-13/FGC-1.  
So either my database (probably) or FM 21-6 has a typo.

In a message dated 10/10/2016 07:21:48 AM Central Daylight Time, 
navy.radio at gmail.com writes: 
> The TT-21 is a Receiving Transmitter Distributor used to read the 
> one-time key tape in a crypto system known as PYTHON or SIGTOT. 
> 
> ........
> 
> 
> The ebay seller also has a TT-21A but it looks like the special rotor has 
> been replaced with a regular one. 
> 
> 
> Cheers
> Nick
> 
> On Monday, October 10, 2016, David Burns <dvdbrns at rcn.com> wrote:
> >> Nuts...the original link is a normal TD, this is the odd one.
>> 
>> 
> 
> 
> 
> 
> -- 
> Nick England K4NYW
> 
> www.navy-radio.com
> 
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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