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  2. United States National Radio Quiet Zone - Wikipedia

    en.wikipedia.org/wiki/United_States_National...

    United States National Radio Quiet Zone. Coordinates: 38.375°N 79.5°W. The NRQZ includes portions of West Virginia, Virginia, and a small part of Maryland. The National Radio Quiet Zone ( NRQZ) is a large area of land in the United States designated as a radio quiet zone, in which radio transmissions are restricted by law to facilitate ...

  3. List of ESPN Radio affiliates - Wikipedia

    en.wikipedia.org/wiki/List_of_ESPN_Radio_affiliates

    Angels Radio AM 830 KGEO: 1230 AM Bakersfield: CA: ESPN Radio 1230 KFPT: 790 AM Clovis: CA: ESPN Radio 790 KATA: 1340 AM Eureka: CA: ESPN Radio 92.7 / 1340 KFIG: 1430 AM Fresno: CA: 1430 ESPN Radio KSPN: 710 AM Los Angeles: CA: ESPN LA 710 KIFM: 1320 AM West Sacramento: CA: ESPN 1320 AM KXTK: 1280 AM San Luis Obispo: CA: ESPN Radio 1280 KAVP ...

  4. List of radio stations in Maryland - Wikipedia

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

    Maryland, DC, Delaware Broadcasters Association. W3EAX Amateur Radio Association, University of Maryland (est. circa 1934) Mid-Atlantic Antique Radio Club. Images. [edit] Radio inventor James Harris Rogers at his lab in Prince George's County, Maryland, circa 1910s. WJSV radio transmitter, Wheaton, Maryland, circa 1940s. v. t.

  5. List of 50 kW AM radio stations in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_50_kW_AM_radio...

    The following is a list of radio stations in the United States that are authorized to run 50 kW (50,000 watts) of power. This is the highest power authorized to any AM station in the United States. Power Legend: U=unlimited time, D=daytime power, N=nighttime power, CH= critical hours power.

  6. 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.

  7. List of radio stations in New Hampshire - 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 New Hampshire, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations

  8. 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 ...

  9. Amateur radio station - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_station

    An amateur radio station may be operated under the call sign of the owner of the station (if they are near the controls), or the call sign of the person operating the station as a guest. In some countries, special call signs might be made available for clubs, and are frequently used at a club station established for use of the club's members.