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English: Rochester Institute of Technology Amateur Radio Club K2GXT repeater rack. Top to bottom: Monitor, ARPS digipeater and iGate, EchoIRLP node controller, APRS radio, power supply, repeater controller, 70cm repeater. The repeater is located on top of Ellingson Hall, the tallest building on the RIT campus.
Repeaters are found mainly in the VHF 6-meter (50–54 MHz), 2-meter (144–148 MHz), 1.25-meter band (1 1 ⁄ 4 meters) (220–225 MHz) and the UHF 70 centimeter (420–450 MHz) bands, but can be used on almost any frequency pair above 28 MHz. In some areas, 33 centimeters (902–928 MHz) and 23 centimeters (1.24–1.3 GHz) are also used for ...
A land mobile radio system (LMRS) is a person-to-person voice communication system consisting of two-way radio transceivers (an audio transmitter and receiver in one unit) which can be stationary (base station units), mobile (installed in vehicles), or portable (handheld transceivers e.g. "walkie-talkies").
English: Blank administrative map of the State of Florida, USA, for geo-location purpose, with counties boundaries. Français : Carte administrative vierge de l'état de Floride , États-Unis , destinée à la géolocalisation, avec limite des comtés.
Repeaters may be designed for amateur packet radio, these are dubbed "digipeaters". The first known amateur packet radio activity in the US occurred in San Francisco during December 1980, when a packet repeater was put into operation on 2 meters by Hank Magnuski KA6M, and the Pacific Packet Radio Society (PPRS). [ 6 ]
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ReliabilityFirst commenced operations on January 1, 2006, and is the successor to three reliability organizations: the Mid-Atlantic Area Council (MAAC), the East Central Area Coordination Agreement (ECAR), and the Mid-American Interconnected Network (MAIN), all of which were formed in response to the Northeast Blackout of 1965.