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  2. Travelers' information station - Wikipedia

    en.wikipedia.org/wiki/Travelers'_information_station

    The radio station operates on low-power antennas along Presidente Dutra Highway, between São Paulo and Rio de Janeiro, on frequency 107.5 MHz, and airs information about traffic and news. Between 2004 and 2018, Radiovia Freeway FM , a TIS station operated in 88.3 MHz, was also on the air along the BR-290 , between Porto Alegre and the northern ...

  3. Distress signal - Wikipedia

    en.wikipedia.org/wiki/Distress_signal

    A distress signal, also known as a distress call, is an internationally recognized means for obtaining help. Distress signals are communicated by transmitting radio signals, displaying a visually observable item or illumination, or making a sound audible from a distance. A distress signal indicates that a person or group of people, watercraft ...

  4. National Traffic System - Wikipedia

    en.wikipedia.org/wiki/National_Traffic_System

    National Traffic System. Visual representation of traffic passing of ARRL radiograms between various nets, from Wisconsin to California. The National Traffic System (NTS) is an organized network of amateur radio operators sponsored by the American Radio Relay League for the purpose of relaying messages throughout the U.S. and Canada. [1]

  5. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Radio users will confine all radio transmissions to an emergency in progress or a new incident. Radio traffic which includes status information such as responding, reports on conditions, at scene and available will not be authorized during this period. Emergency Traffic Term used to gain control of radio frequency to report an emergency.

  6. Major winter storm floods Cambria, prompts road closures and ...

    www.aol.com/news/major-winter-storm-floods...

    According to emergency radio traffic, reports from first responders, officials and residents, the creek water also flowed across East Fiscalini Ranch by Mechanics Bank, into the Oak Village Mobile ...

  7. International distress frequency - Wikipedia

    en.wikipedia.org/wiki/International_distress...

    121.5 MHz is the civilian aircraft emergency frequency or International Air Distress frequency. It is used by some civilian emergency locator beacons; however, the Cospas-Sarsat system no longer monitors the frequency. 243 MHz for NATO military aircraft emergency frequencies. 406 MHz to 406.1 MHz is used by the Cospas-Sarsat international ...

  8. Radio Emergency Associated Communication Teams - Wikipedia

    en.wikipedia.org/wiki/Radio_Emergency_Associated...

    REACT (Radio Emergency Associated Communication Teams) is a CB radio Emergency Channel 9 monitoring organizations across the United States, Canada and worldwide, established in 1962. The primary role of REACT volunteers was to stand and watch on CB Emergency Channel 9 to help motorists. Later, duties grew to include radio communications after ...

  9. Radio Amateur Civil Emergency Service - Wikipedia

    en.wikipedia.org/wiki/Radio_Amateur_Civil...

    The concept of a standby "Radio Amateur Civil Emergency Service" to replace the conventional "Amateur Radio Service" during wartime was developed in 1952 as result of input from the American Radio Relay League and the Department of the Army's Office of Civil Defense. During World War II, the Amateur Radio Service had been silenced and a new War ...