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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 .
An SSTV repeater is an amateur radio repeater station that relays slow-scan television signals. A typical SSTV repeater is equipped with a HF or VHF transceiver and a computer with a sound card, which serves as a demodulator/modulator of SSTV signals. SSTV repeaters are used by amateur radio operators for exchanging pictures.
Aerial view of a repeater hut with buried cable route visible from SW to NW, Google Maps. AUTOVON switch locations in CONUS, mid-1970s; Use of pre-emption - VOICE PRECEDENCE SYSTEM CHART - Global Autovon Telephone Directory 1971; AUTOVON; AUTOmatic VOice Network (AUTOVON) instructions; U.S. Department of Defense Automatic Voice Network
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]
APRS packets are transmitted for all other stations to hear and use. Packet repeaters, called digipeaters, form the backbone of the APRS system, and use store and forward technology to retransmit packets. All stations operate on the same radio channel, and packets move through the network from digipeater to digipeater, propagating outward from ...
We all know the phrase, "don't put all your eggs in one basket." That's because it's a simple way to express an abstract idea: Too much concentrated risk can lead to disaster.
Maps and electoral vote counts for the 2012 presidential election. Our latest estimate has Obama at 257 electoral votes and Romney at 206. Obama vs. Romney Electoral Map
This repeater could link over the Internet with other Icom repeater gateways and Reflectors via D-Plus. It did not support callsign routing or slash routing via the K5TIT G2 network. The first non-Icom D-STAR repeater fully supporting the K5TIT G2 network and D-Plus, GB7MH, went live on 10 September 2009, in West Sussex, England.