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Digital mobile radio (DMR) is a digital radio standard for voice and data transmission in non-public radio networks.It was created by the European Telecommunications Standards Institute (ETSI), [1] and is designed to be low-cost and easy to use.
Two broad categories apply to licensed stations owned by U.S. colleges and universities: Student-run — Stations where students play significant roles in programming, management, and other facets of operations, either on their own, through student government organizations, or under faculty supervision.
Linking multiple repeaters to enable a repeater outside the communications range of the handheld or mobile device to retransmit messages violates sections 95.1733(a)(8) and 95.1749 of the Commission's rules, and potentially other rules in 47 C.F.R. Repeaters may be connected to the telephone network or other networks only for purposes of remote ...
Morse code is called the original digital mode. Radio telegraphy, designed for machine-to-machine communication is the direct on / off keying of a continuous wave carrier by Morse code symbols, often called amplitude-shift keying or ASK, may be considered to be an amplitude modulated mode of communications, and is rightfully considered the first digital data mode.
WVST-FM is a Variety formatted broadcast radio station licensed to Petersburg, Virginia, serving Metro Petersburg. WVST-FM is owned and operated by Virginia State University . [ 2 ]
DMR/dPMR true Tier 3/Mode 3 protocols are intended eventually to migrate into the "Advanced Mature high end" list below but today (2015) cannot be classified as such due to major interoperability issues, lack of mature protocol and lack of clearly defined user interface protocol. [citation needed] OpenSky System; APCO Project 16; dPMR Mode 3 ...
Virginia State University (VSU or Virginia State) is a public historically Black land-grant university in Ettrick, Virginia. Founded on March 6, 1882 ( 1882-03-06 ) , Virginia State developed as the United States's first fully state-supported four-year institution of higher learning for Black Americans.
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.