Hams use a variety of frequencies for communications. Non-hams can " listen in " via their own receivers or radio scanners. Hams are able to use many frequency bands across the radio spectrum -- these frequencies are allocated by the FCC for amateur use. Hams may operate from just above the AM broadcast band to the microwave region, in the gigahertz range. Many ham bands are found in the frequency range that goes from above the AM radio band 1. During daylight, 15 to 27 MHz is a good band for long-distance communications.
FM Satellite Frequency Summary
Amateur radio frequency allocations - Wikipedia
AM broadcasting is a radio broadcasting technology, which employs amplitude modulation AM transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave also known as "AM band" transmissions, but also on the longwave and shortwave radio bands. The earliest experimental AM transmissions began in the early s. However, widespread AM broadcasting was not established until the s, following the development of vacuum tube receivers and transmitters. AM radio remained the dominant method of broadcasting for the next 30 years, a period called the " Golden Age of Radio ", until television broadcasting became widespread in the s and received most of the programming previously carried by radio.
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Forgot Password? A band plan refers to a voluntary division of a band to avoid interference between incompatible modes. You need only register once for each band. CW and digital emissions must be centered 1.