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  2. National Interoperability Field Operations Guide - Wikipedia

    en.wikipedia.org/wiki/National_Interoperability...

    The frequencies allow them to gather intelligence and monitor emergency services, government agencies, and emergency amateur radio frequencies during and after a disaster. The current version is 2.01 and was issued in March of 2022. [6] It can be ordered online, downloaded as a PDF or loaded into a mobile device.

  3. Salvation Army Team Emergency Radio Network - Wikipedia

    en.wikipedia.org/wiki/Salvation_Army_Team...

    The Salvation Army Team Emergency Radio Network (SATERN) is a network of volunteer amateur radio operators based in North America. It works to provide emergency communications between Salvation Army posts during times of disaster, and to pass messages with health and welfare information between the Salvation Army and the general public.

  4. List of channel numbers assigned to FM frequencies in North ...

    en.wikipedia.org/wiki/List_of_channel_numbers...

    In the Americas (defined as International Telecommunication Union (ITU) region 2), the FM broadcast band consists of 101 channels, each 200 kHz wide, in the frequency range from 87.8 to 108.0 MHz, with "center frequencies" running from 87.9 MHz to 107.9 MHz. For most purposes an FM station is associated with its center frequency.

  5. Amateur radio emergency communications - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_emergency...

    Solar-powered Amateur Radio Station in tents. Note the portable VHF/UHF satellite and HF antennas in the background Rugged HF transceiver for voice communications. In times of crisis and natural disasters, amateur radio is often used as a means of emergency communication when wireline, cell phones and other conventional means of communications fail.

  6. Category:Lists of radio stations by frequency - Wikipedia

    en.wikipedia.org/wiki/Category:Lists_of_radio...

    Pages in category "Lists of radio stations by frequency" The following 200 pages are in this category, out of approximately 338 total. This list may not reflect recent changes .

  7. AN/URC-117 Ground Wave Emergency Network - Wikipedia

    en.wikipedia.org/wiki/AN/URC-117_Ground_Wave...

    Typical GWEN relay node. The Ground Wave Emergency Network (GWEN) was a US Air Force command and control communications system, deployed briefly between 1992 and 1994, intended for use by the United States government to facilitate military communications before, during and after a nuclear war.

  8. Area codes 314 and 557 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_314_and_557

    Relief planning entailed the division of the numbering plan area to create a new area code, 573, for most areas outside of the St. Louis metropolitan area, which would retain area code 314. The area code split became effective at day end of January 7, 1996, with a permissive dialing period commencing until July 7, 1996, during which the new ...

  9. List of VLF-transmitters - Wikipedia

    en.wikipedia.org/wiki/List_of_VLF-transmitters

    Name / Call sign Location Frequency Coordinates Remarks Trinidad - Omega Station B: Chaguaramas, Trinidad and Tobago: 12.0 kHz: valley span antenna dismantled, station replaced by the Paynesville Liberia Station in 1976

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