AN/SGA-4 Teletype Ancillary Equipment

AN/SGA-4 is teletype ancillary equipment for shipborne use which  provides full duplex, on-line  operation   for the PYTHON cryptosystem. 

Click here for the AN/SGA-4 data sheet


 
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AN/SGA-4 photo courtesy NSA. 
 


Contributors:

1) Nick England <navy.radio(at)gmail.com>
 

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Feb 27/15