high-frequency broadcasting
21North American Radio Broadcasting Agreement — The North American Radio Broadcasting Agreement, usually referred to as NARBA, is a treaty that took effect in March 1941 and set out the bandplan and interference rules for mediumwave AM broadcasting in North America. Although mostly replaced by …
22Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… …
23Crosley Broadcasting Corporation — Former type Public Fate Assets divided Successor Avco Broadcasting Founded March 22, 1922 (with the sign on of WLW) Founder(s) Powel Crosley, Jr …
24Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …
25Low-power broadcasting — Contents 1 United States 1.1 FM radio 1.1.1 LPFM classes 1.1.2 …
26Digital Video Broadcasting — Official DVB logo, found on compliant devices List of digital television broadcast standards …
27Oregon Public Broadcasting — statewide Oregon (except southwestern Oregon) Branding OPB Channels Analog: see table below Digital: see table below …
28FM broadcasting in the USA — FM broadcasting in the U.S. began in the 1930s. The use of FM radio has been associated with higher sound quality in music radio.History of FM radio in the U.S.In the United States FM radio stations broadcast at frequencies of 87.8 ndash;108 MHz …
29International broadcasting — is broadcasting that is deliberately aimed at a foreign, rather than a domestic, audience. It usually is broadcast by means of longwave, mediumwave, or shortwave radio, but in recent years has also used direct satellite broadcasting and the… …
30Mainichi Broadcasting System — Mainichi Broadcasting System, Inc. 株式会社毎日放送 Type Kabushiki gaisha Industry Information, Communication Founded Osaka, Japan (December 27, 1950(1950 12 27), New Japan Broadcasting Co.) Headquarters 17 1, Chayamachi, Kita ku, Osaka …
