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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 ...
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 ]
An amateur radio repeater system consisting of a 70 cm repeater and a 2-meter digipeater and iGate. Coaxial cavity RF filter at 2 meter repeater An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer ...
RFinder is the official repeater directory of the following associations: [4] Amateur Radio Society Italy [7] American Radio Relay League [1] Cayman Amateur Radio Society [8] Deutscher Amateur Radio Club [9] Federacion Mexicana de Radio Experimentadores [10] L’association Réseau des Émetteurs Français [11] Lietuvos Radijo Mėgėjų ...
These satellites can be used free of charge by licensed amateur radio operators for voice (FM, SSB) and data (AX.25, packet radio, APRS) communications. Currently, over 18 fully operational amateur radio satellites are in orbit. [2] They may be designed to act as repeaters, as linear transponders, and as store and forward digital relays.
NHK digital television, KRY, TYS and YAB transmitter in Iwakuni. A broadcast relay station, also known as a satellite station, relay transmitter, broadcast translator (U.S.), re-broadcaster (Canada), repeater (two-way radio) or complementary station (Mexico), is a broadcast transmitter which repeats (or transponds) the signal of a radio or television station to an area not covered by the ...
Passive repeater: This is a microwave relay that simply consists of a flat metal surface to reflect the microwave beam in another direction. It is used to get microwave relay signals over hills and mountains when it is not necessary to amplify the signal. Cellular repeater: This is a radio repeater for boosting cell phone reception in a limited ...
Radio stations that cannot communicate directly due to distance, terrain or other difficulties sometimes use an intermediate radio relay station to relay the signals. A radio relay receives weak signals and retransmits them, often in a different direction, as a stronger signal. Examples include airborne radio relay, microwave radio relay, and ...
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