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APRS and packet radio existed since the '90s. They handle routing and multiple participants, and are rather resilient to interference. There is no encryption a
by pps43 9y ago
APRS and packet radio existed since the '90s. They handle routing and multiple participants, and are rather resilient to interference.
There is no encryption and no frequency hopping not because it's difficult to do, but because the goal is to be heard and understood by anyone who listens.
- gamblor956 9y agoAPRS does not have the reliability necessary for commercial use, let alone military use. Packet radio is pretty trivially jammed, handles routing poorly and interference almost not at all.