high-frequency broadcasting

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• High frequency — (HF) radio frequencies are between 3 and 30 MHz. Also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters (ten to one hundred metres). Frequencies immediately below HF are denoted Medium frequency… …   Wikipedia

• High Frequency Active Auroral Research Program — HAARP mit Blick auf Mt Sanford HAARP Empfangsanlagen zur Ionosphärenbeobachtung Das HAARP (High Frequency Active Auroral Research Program, auch High Frequency Active Auroral Research Project) ist ein US amer …   Deutsch Wikipedia

• High Frequency Active Auroral Research Project — HAARP mit Blick auf Mt Sanford HAARP Empfangsanlagen zur Ionosphärenbeobachtung Das HAARP (High Frequency Active Auroral Research Program, auch High Frequency Active Auroral Research Project) ist ein US amer …   Deutsch Wikipedia

• Ultra high frequency — (UHF) designates a range (band) of electromagnetic waves with frequencies between 300 MHz and 3 GHz (3,000 MHz). Also known as the decimeter band or decimeter wave as the wavelengths range from ten to one decimeters. Radio waves with frequencies… …   Wikipedia

• Very high frequency — (VHF) is the radio frequency range from 30 MHz to 300 MHz. Frequencies immediately below VHF are denoted High frequency (HF), and the next higher frequencies are known as Ultra high frequency (UHF). The frequency allocation is done by ITU. Common …   Wikipedia

• broadcasting — /brawd kas ting, kah sting/, n. 1. the act of transmitting speech, music, visual images, etc., as by radio or television. 2. radio or television as a business or profession: She s training for a career in broadcasting. [1920 25; BROADCAST + ING1] …   Universalium

• High school radio — within the United States is almost as old as radio broadcasting itself. Simply defined as a radio station, with its studios located at a high school and usually operated by its students with faculty supervision, stations fitting this description… …   Wikipedia

• very high frequency — noun The frequency area from 30 MHz through 300 MHz, commonly used for radio and TV broadcasting. See Also: VHF …   Wiktionary

• Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… …   Wikipedia

• High fidelity — or hi fi reproduction is a term used by home stereo listeners and home audio enthusiasts (audiophiles) to refer to high quality reproduction of sound or images that are very faithful to the original master recording. High fidelity equipment has… …   Wikipedia

• High-definition television — Logo High definition television (HDTV) is video that has resolution substantially higher than that of traditional television systems (standard definition television). HDTV has one or two million pixels per frame, roughly five times that of SD… …   Wikipedia