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Each repeater in the UK is normally supported by a repeater group composed of local amateur radio enthusiasts who pay a nominal amount e.g. £10–15 a year each to support the maintenance of each repeater and to pay for site rents, electricity costs etc. Repeater groups do not receive any central funding from other organisations.
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 .
Amateurs have sponsored the launch of dozens of communications satellites since the 1970s. These satellites are usually known as OSCARs (Orbiting Satellite Carrying Amateur Radio). Also, the ISS has amateur radio repeaters and radio location services on board.
A radio repeater is a combination of a radio receiver and a radio transmitter that receives a signal and retransmits it, so that two-way radio signals can cover longer distances. A repeater sited at a high elevation can allow two mobile stations, otherwise out of line-of-sight propagation range of each other, to communicate. [1]
Amateur use of VHF and UHF allocations exploded in the late 1960s and early 1970s as repeaters started going on the air. Repeater use sparked a huge interest in the 2-meter and 70-centimeter (420–450 MHz) bands; however, this interest never fully found its way into the 1.25-meter band.
Ham radio repeater finder Repeaterbook: Proprietary: ios, Android: Ham radio repeater finder RFINDER: Proprietary: ios, Android: Ham radio repeater finder CWGet: Proprietary: Windows, Windows Mobile: Morse code decoding MMSSTV: LGPL: Windows: Slow-scan television encoding and decoding QSSTV: GPL: Linux (maybe others) Slow-scan television ...
This is a list of repeater sites for amateur radio in Germany. It includes towers (e.g. CN Tower and Bremen TV tower), hills, mountains and other locations. List
ARRL Radiogram traffic typically begins and ends its journey at local nets, often through nearby repeaters. Local nets typically involve city or county-wide coverage on VHF (2-metre band) or UHF (70 cm band), and although the ARRL does not endorse a single mode for traffic passing, messages are typically relayed by voice at this level. [4]