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Each repeater has a NOV (Notice of Variation) licence issued to a particular amateur radio callsign (this person is normally known as the "repeater keeper") thus ensuring the licensing authority has a single point of contact for that particular repeater. Each repeater in the UK is normally supported by a repeater group composed of local amateur ...
RFinder's main service is the World Wide Repeater Directory (WWRD), which is a directory of amateur radio repeaters. RFinder is the official repeater directory of several amateur radio associations. RFinder has listings for several amateur radio modes , including FM , D-STAR , DMR , and ATV .
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.
The 70-centimeter or 440 MHz band is a portion of the UHF radio spectrum internationally allocated to amateur radio and amateur satellite use. The ITU amateur radio allocation is from 430 to 440 MHz; however, some countries, such as the United States, allocate hams 420 to 450 MHz.
The two agreed to maintain regular contact, including to prepare for a high-level Russian-American meeting, the ministry said. Trump’s envoy says Russia must make concessions.
November 27, 1923 marked the first transatlantic two-way contact between American amateur Fred Schnell and French amateur Léon Deloy. [12] Shortly after, the first two way contact between the UK and USA was in December 1923, between London and West Hartford, Connecticut . [ 13 ]
A recent UK study found that chickens quickly become very obviously sick after being infected with HPN1 and show symptoms like diarrhea and breathing difficulty. They also usually stop laying eggs ...
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