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Radio amateurs without the EchoLink software or a computer connected to the Internet can take advantage of the EchoLink network if they are within radio range of a sysop mode EchoLink station. It is also possible to link a sysop mode EchoLink station to a local repeater, further enhancing the communication possibilities.
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 .
A link radio or repeater is needed to interface to the IRLP board. The radio's COS (carrier operated squelch) and PTT lines must be available to the IRLP board. Additionally, courtesy tones, hang time, and node IDs must not be transmitted over the VoIP link.
ME: 92.9 The Ticket WPEI: 95.9 FM Saco–Portland: ME: FM 95.9 WPEI WCMD: 1230 AM Cumberland: MD: ESPN Radio 1230 WVFN: 730 AM East Lansing: MI: The Game 730 KBUN: 1450 AM Bemidji: MN: ESPN Radio 1450 KSTP: 1500 AM Minneapolis: MN: 1500 ESPN Twin Cities WBHR: 660 AM St. Cloud: MN: ESPN Radio 660 WRKS: 105.9 FM Jackson: MS: ESPN The Zone 105.9 ...
WIRES uses DTMF signaling to make a connection over the Internet from a repeater or home station to another WIRES-equipped station that is accessible over the Internet. No proprietary tones or connection formats are used, so any manufacturer's radio (equipped with a DTMF encoding keypad) may be used to bring up the Internet link.
EchoLink using VoIP technology has enabled amateurs to communicate through local Internet-connected repeaters and radio nodes, [21] while IRLP has allowed the linking of repeaters to provide greater coverage area. Automatic link establishment (ALE) has enabled continuous amateur radio networks to operate on the high frequency bands with global ...
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.
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.