signalsintelligence

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Ancient Web: Crypto Museum Is an Entire Spy Museum Hiding in a Browser

Crypto Museum is a privately funded Dutch virtual museum documenting cipher machines, Enigma, spy radios, covert equipment, bugs, intercept receivers, codebreaking hardware, intelligence agencies, manuals, and espionage technology.

Ancient Web: The Numbers Racket Freezes the Spy Radio Scene in 1998

The Numbers Racket is an online copy of a 1998 CD-ROM documenting shortwave numbers stations, call patterns, Morse systems, schedules, recordings, and listener observations as they were understood by the monitoring community at the end of the 1990s.