I’m a ham radio operator (WD5GNR ... First, hams don’t have unlimited bandwidth, especially in the high frequency (HF) bands that allow for long distance communications.

Somehow [hvde] wound up with a CB radio that does AM and SSB on the 11 meter band. The problem was that ... parts that dealt with the intermediate frequency at 7.8 MHz. Even the transmitter ...

Ham radio operators use a variety of radio bands to communicate over long distances ... These nets have designated frequencies, schedules, and procedures to relay messages and information efficiently.

Many enjoy casually meeting and speaking with new people. A few enjoy doing so over long distances, through the connecting ...

Because mmWave bands are much higher-frequency than bands used for 4G and 3G, they do not reach as far, nor as well through solid objects. A typical mmWave base station ("tower") only covers one ...