It's not legal. Most countries prohibit encryption of Amateur Radio transmissions in most cases. Some countries have exceptions such as emergency communications

It's not legal. Most countries prohibit encryption of Amateur Radio transmissions in most cases. Some countries have exceptions such as emergency communications or satellite control. [0] [0] https://ham.stackexchange.com/questions/72/encrypted-traffic-and-amateur-radio https://ham.stackexchange.com/questions/72/encrypted-traffic...