If radio waves are just non-visible light waves that are picked up by a vibrating rod, how does a radio wave get “encrypted” so that it can’t be picked up unless it’s unencrypted?
Edit: Everyone keeps commenting that the content of the message is what’s encrypted, not the radio waves itself, but that’s not what I mean. Someone answered that digital signals themselves can be modulated or disguised, which is what I meant when I asked
In: Technology
A lot of people here have answered this, but I also want to add another method of “encryption”. Its called have-quick. Basically two radios sync up according to a gps time signal and hop frequencies while transmitting in a predetermined pattern. Unless you know the pattern and programmed the radio with it, the most you could receive is fractions of a second of the message.
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