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Questions tagged [scrambling]

Scramblers use a secret spreading sequence or secret hop sequence, or some other information that must be kept secret from a potential jammer and/or listener. This mostly assumes sender and receiver to have a shared secret.

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How did “Secure Voice” work on the old Air Force One's?

I recently visited the "Museum of Flight" where they have an old SAM 970, previously known as "Air Force One". Inside there is a comm station with many buttons designated "Secure Voice", as can be ...