frequency plan

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• Geneva Frequency Plan of 1975 — The Geneva Frequency Plan of 1975 (GE75) is the internationally agreed frequency plan which was drawn up to implement the provisions of the Final Acts of the Regional Administrative LF/MF Broadcasting Conference (Regions 1 and 3) held in Geneva,… …   Wikipedia

• Plan B (magazine) — Infobox Magazine title = Plan B image size = image caption = editor = Louis Pattison editor title = Editor staff writer = frequency = Monthly circulation = category = Independent music, Film, Books, Visual art company = Plan B Publishing Limited… …   Wikipedia

• frequency — / fri:kwənsɪ/ noun 1. the number of times something happens 2. the number of times an advertisement appears in a specific period ● The plan is to have larger advertisements but less frequency. 3. the number of times a person sees an advertisement …   Marketing dictionary in english

• Grid plan — A simple grid plan road map (Windermere, Florida). Surveyor s plan of Salt Lake City, ci …   Wikipedia

• Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …   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

• Precise Tone Plan — The Precise Tone Plan specification for the North American network defines the Call progress tones used for standard signaling in the PSTN. The tones are as follows:* dial tone is a continuous tone having frequencies of 350 and 440 Hz at a level… …   Wikipedia

• Dual-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… …   Wikipedia

• High Frequency Active Auroral Research Program — HAARP is often confused with Project HARP, the High Altitude Research Project (a joint project of The Pentagon and the Canadian Department of National Defence).The High Frequency Active Auroral Research Program (HAARP) is an investigation project …   Wikipedia

• Dual-tone multi-frequency — (DTMF) signaling is used for telephone signaling over the line in the voice frequency band to the call switching center. The version of DTMF used for telephone tone dialing is known by the trademarked term Touch Tone (canceled March 13, 1984),… …   Wikipedia

• Amateur radio frequency allocations — Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the ITU oversees how much radio spectrum is set aside for amateur radio transmissions. Radio amateurs use a variety of transmission modes, including… …   Wikipedia