Search results
Results From The WOW.Com Content Network
Amateur radio emergency communications. Solar-powered Amateur Radio Station in tents. Note the portable VHF / UHF satellite and HF antennas in the background. 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.
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 ...
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.
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 ...
WARC bands. The World Administrative Radio Conference (WARC) bands are three portions of the shortwave radio spectrum used by licensed and/or certified amateur radio operators. They consist of 30 meters (10.1–10.15 MHz), 17 meters (18.068–18.168 MHz), and 12 meters (24.89–24.99 MHz). [ 1][ 2] They were named after the World Administrative ...
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 ...
W1AW is the flagship station for amateur radio operation within the United States. Using pre-established shortwave frequencies and Maxim's distinctive call sign (W1AW), this station transmits one-way voice and digital bulletins in addition to morse code training practice. The transmissions are broadcast Monday through Friday with the first ...
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.