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Below this is reserved for television stations. Radio waves would interfere with television waves, hampering communications. However, the FCC will allow radio broadcasts to produce transmissions lower than 88.1 MHz if the carrier wave does not go farther than about 60 meters.

In the United States, Part 15 of the U.S. Federal Communications Commission rules specifies that no license is needed if range of the transmitter does not exceed 200 feet (61 meters), although the Part 15 rules specify that the field strength should not exceed 250 µV/m (48db) at 3 meters, which is less than the service ...

The exam consists of questions from the following categories: operating procedures, radio wave propagation, radio practice, electrical principles, circuit components, practical circuits, signals and emissions, and antennas and feedlines. To pass, an examinee must correctly answer at least 75 out of 100 questions.

Probably when FM broadcasting needed some spectrum, the 88 - 108 MHz was the most convenient at the time, for technological or political reasons. In North America, 88 - 108 MHz is the FM broadcast band. The use of frequency modulation for other purposes is not restricted to that band, however.

The most popular types of personal radio services are Citizens Band Radio Service, Family Radio Service, General Mobile Radio Service, Low-Power Radio Service and Multi-Use Radio Service. Of these types of services, only General Mobile Radio Service requires an FCC license to operate.

Frequencies can't be ?illegal.? In almost all countries, government agencies allocate various frequency ranges for specific uses, and in most cases require some form of license to transmit. These agencies in turn conform to regulations of the International Telecommunication Union.

If you are a recreational boater traveling within the United States, you do not need a license for a VHF Marine Radio.