Frequency hopping is a method by which radio signals “hop” around a frequency in a pattern creating transmissions that are impossible to decipher from the outside.

May 19, 2020


Some people seem to be operating under the misguided impression that high-frequency (HF) radio is nearing obsolescence,

May 13, 2020


When satellite communications came on the scene, there was much excitement about audio quality and security.

March 30, 2020