Don’t need to be licensed. That’s optional. The knowledge is free and available to all and not that difficult. Amateur, citizens, and even AM/FM are cheap and

Don’t need to be licensed. That’s optional. The knowledge is free and available to all and not that difficult. Amateur, citizens, and even AM/FM are cheap and easy to operate. We are talking about how people get a message out in a martial law / wartime scenario. Radio is your best bet because no one can really stop you the way they can block and DNS server or just outright tell the ISP to shutdown.