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  2. List of radio stations in Oklahoma - Wikipedia

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

    Jack Alicoate, ed. (1939), "Oklahoma", Radio Annual, New York: Radio Daily, OCLC 2459636 – via Internet Archive "AM Stations in the U.S.: Oklahoma", Radio Annual Television Year Book, New York: Radio Television Daily, 1963, OCLC 10512375 – via Internet Archive

  3. Amateur radio frequency allocations - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_frequency...

    The 2015 ITU World Radiocommunication Conference (WRC-15) approved a new worldwide frequency allocation of 5.351.5–5.366.5 MHz to the amateurs on a secondary basis. The allocation limits amateur stations to 15 watts effective isotropic radiated power (EIRP); however some locations will be permit up to 25 W EIRP.

  4. 15-meter band - Wikipedia

    en.wikipedia.org/wiki/15-meter_band

    15-meter band. Right a HB9XBG-vertical-Antenna for the 15m-Band. (Left a HB9XBG-Antenne for the 20m-Band) The 15-meter band (also called the 21-MHz band or 15 meters) is an amateur radio frequency band spanning the shortwave spectrum from 21 to 21.45 MHz. The band is suitable for amateur long-distance communications, and such use is permitted ...

  5. Amateur radio repeater - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_repeater

    The actual frequency pair used is assigned by a local frequency coordinating council. In the days of crystal-controlled radios, these pairs were identified by the last portion of the transmit (Input) frequency followed by the last portion of the receive (Output) frequency that the ham would put into the radio. Thus "three-four nine-four" (34/94 ...

  6. 6-meter band - Wikipedia

    en.wikipedia.org/wiki/6-meter_band

    6-meter band. A Yaesu FT-857D tuned to 50.125 MHz, the traditional 6-meter single-sideband calling frequency in the United States. [1] The 6-meter band is the lowest portion of the very high frequency (VHF) radio spectrum (50.000-54.000 MHz) internationally allocated to amateur radio use. The term refers to the average signal wavelength of 6 ...

  7. 2-meter band - Wikipedia

    en.wikipedia.org/wiki/2-meter_band

    2-meter band. The 2-meter amateur radio band is a portion of the VHF radio spectrum that comprises frequencies stretching from 144 MHz to 148 MHz [1] in International Telecommunication Union region (ITU) Regions 2 (North and South America plus Hawaii) and 3 (Asia and Oceania) [2] [3] and from 144 MHz to 146 MHz in ITU Region 1 (Europe, Africa ...

  8. 40-meter band - Wikipedia

    en.wikipedia.org/wiki/40-meter_band

    The 40-meter or 7-MHz band is an amateur radio frequency band, spanning 7.000-7.300 MHz in ITU Region 2, and 7.000-7.200 MHz in Regions 1 & 3. It is allocated to radio amateurs worldwide on a primary basis; however, only 7.000-7.200 MHz is exclusively allocated to amateur radio worldwide. Shortwave broadcasters and land mobile users also have ...

  9. NOAA Weather Radio - Wikipedia

    en.wikipedia.org/wiki/NOAA_Weather_Radio

    www.weather.gov /nwr /. NOAA Weather Radio (NWR), also known as NOAA Weather Radio All Hazards, is an automated 24-hour network of VHF FM weather radio stations in the United States that broadcast weather information directly from a nearby National Weather Service office. The routine programming cycle includes local or regional weather ...