Numbers Stations
99% Invisible
00:00
The Untraceable System of Numbers
A one-time pad is a page of random numbers, which is the key used to encrypt and then decrypt the message. The operations have been compromised over and over again. Some stations get jailed by rivals who pinpointed the transmitter site using sophisticated techniques. A numbers enthusiast has to rely on intensive listening to pick up any clues.
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Transcript
