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  2. Amateur radio licensing in the United States - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_licensing_in...

    This license requires the same tests as General plus a 50-question multiple choice theory exam. Those with Amateur Extra licenses are granted all privileges on all US amateur bands. Each licensing class has its own set of possible exam questions called a question pool. [3] The pools contain a few hundred questions each, divided into several ...

  3. General radiotelephone operator license - Wikipedia

    en.wikipedia.org/wiki/General_radiotelephone...

    General radiotelephone operator license. The general radiotelephone operator license (GROL) is a license granted by the U.S. Federal Communications Commission (FCC) that is required to operate certain radio equipment. It is required for any person who adjusts, maintains, or internally repairs FCC licensed radiotelephone transmitters in the ...

  4. Amateur radio - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio

    Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications. [1] The term "amateur" is used to specify "a duly authorized person interested in radioelectric ...

  5. Amateur radio operator - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_operator

    Equipment is a Kenwood TM-D700E transceiver. An amateur radio operator is someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators on radio frequencies assigned to the amateur radio service. Amateur radio operators have been granted an amateur radio license by a ...

  6. Title 47 CFR Part 97 - Wikipedia

    en.wikipedia.org/wiki/Title_47_CFR_Part_97

    Title 47 CFR Part 97. In the U.S., Part 97 is the section of Federal Communications Commission (FCC) rules and regulations that pertains to amateur radio and the conduct of amateur radio operators. It is a part of Title 47 of the Code of Federal Regulations (CFR).

  7. Amateur radio repeater - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_repeater

    Coaxial cavity RF filter at 2 meter repeater. An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation. Many repeaters are located on hilltops or on tall buildings as the higher ...

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