Correction to the SEC-13 Crypto unit in the Line and Crypto Page thanks to Paul Reuvers (owner of the Crypto Museum) www.cryptomuseum.com for his kind help with information. Read More...

Tags: SEC 13

The BID 150 is newly redrawn and combined with the new C-42 Radio drawing on both the “R03A page (1946 to 1976 radios)” and the R18A Page (Line and Crypto)”. Read More...

Tags: DELPHI, BID 150, C-42, C-45, Larkspur Radio, Encryption Unit, Decryption Unit

Added some drawings into the Line and Crypto Page of the Fibre-Optic line scramblers COMSEC 5010 and 5011 as well as the Voice and Data Radio cryptograph units SEC-15, 22 and 23 used within NATO and the UK-USA “You-koosa” co-operations. Read More...

Tags: UKUSA COMSEC, NATO COMSEC, COMSEC 5010, COMSEC 5011, SEC 15, SEC 22, SEC 23, Encryption Unit, Decryption Unit