RFI-EMI-GUY
Member
- Joined
- Dec 22, 2013
- Messages
- 6,877
I don't know how you can say to use simplex and encrypt it and change channels hourly. If the key is compromised so are your simplex.
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You do have the option for multiple keys with some readily available radios and even failing that feature, if you keep changing the channel randomly, the chances of being intercepted are much smaller. An encrypted buzz on the same channel is going to attract interest, so don't stay parked on one channel.
A poor man's manual frequency hopping.
Program each members smartphone with calender reminders to switch radio channels on the hour, or quarter hour. The reminders would be for a different random channel each hour. Each day of the week should be a different combination.
If you change the key frequently, the adversary will have to work harder. And exercise good COMSEC and avoid personal identifiers on the channel in case a message gets decrypted.
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