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  2. R-S-T system - Wikipedia

    en.wikipedia.org/wiki/R-S-T_system

    The R-S-T system is used by amateur radio operators, shortwave listeners, and other radio hobbyists to exchange information about the quality of a radio signal being received. The code is a three digit number, with one digit each for conveying an assessment of the signal's readability, strength, and tone. [1] [2] The code was developed in 1934 ...

  3. WWVB - Wikipedia

    en.wikipedia.org/wiki/WWVB

    WWVB is a time signal radio station near Fort Collins, Colorado and is operated by the National Institute of Standards and Technology (NIST). [1] Most radio-controlled clocks in North America [2] use WWVB's transmissions to set the correct time. The normally 70 kW ERP signal transmitted from WWVB uses a 60 kHz carrier wave derived from a set of ...

  4. Maidenhead Locator System - Wikipedia

    en.wikipedia.org/wiki/Maidenhead_Locator_System

    Maidenhead Locator System. The Maidenhead Locator System (a.k.a. QTH Locator and IARU Locator) is a geocode system used by amateur radio operators to succinctly describe their geographic coordinates, which replaced the deprecated QRA locator, which was limited to European contacts. [1] Its purpose is to be concise, accurate, and robust in the ...

  5. 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 ...

  6. List of radio stations in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/List_of_radio_stations_in...

    The following is a list of FCC-licensed radio stations in the U.S. state of Pennsylvania, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations [ edit ]

  7. Amateur radio licensing in the United States - Wikipedia

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

    Amateur First Grade required an essay-type examination and five (later ten) words per minute code examination before a Radio Inspector at one of the Department's field offices. This class of license was renamed Amateur Class in 1927 and then Amateur First Class in 1932. Amateur Radio licensing in the United States began in mid-December 1912.

  8. Amateur radio station - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_station

    Amateur radio station. An amateur radio station is a radio station designed to provide radiocommunications in the amateur radio service for an amateur radio operator. Radio amateurs build and operate several types of amateur radio stations, including fixed ground stations, mobile stations, space stations, and temporary field stations.

  9. List of radio stations in Idaho - Wikipedia

    en.wikipedia.org/wiki/List_of_radio_stations_in...

    The following is a list of FCC-licensed radio stations in the U.S. state of Idaho, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations [ edit ]

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