height above average terrain

height above average terrain
the height of a radio transmitter, including the antenna, as compared to the average terrain height in the surrounding area between three and sixteen kilometers from the antenna site.

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  • Height above average terrain — (HAAT) (or less popularly, EHAAT, Effective Height Above Average Terrain) is used extensively in FM radio and television, as it is actually much more important than effective radiated power (ERP) in determining the range of broadcasts (VHF and… …   Wikipedia

  • Height above average terrain — Die Effektive Antennenhöhe (kurz: Effektive Höhe, englisch: Effective Antenna Height) ist die Höhe des Antennenmittelpunktes über dem mittleren Geländeniveau zwischen 3 km und 15 km Entfernung in die zur Berechnung der Wellenausbreitung… …   Deutsch Wikipedia

  • Antenna height above average terrain — In telecommunication, antenna height above average terrain is the antenna height above the average terrain elevations from 3.2 to 16 kilometers (2 to 10 miles) from the antenna for the eight directions spaced evenly for each 45° of azimuth… …   Wikipedia

  • antenna height above average terrain — vidutinis antenos aukštis statusas T sritis radioelektronika atitikmenys: angl. antenna height above average terrain vok. mittlere Antennenhöhe, f rus. средняя высота антенны, f pranc. altitude moyenne de l antenne, f …   Radioelektronikos terminų žodynas

  • Height — ist der Familienname folgender Personen: Dorothy Height (1912–2010), US amerikanische Politikerin, Bürgerrechtlerin und Sozialarbeiterin Siehe auch: Heightmap, siehe Höhenfelder, zweidimensionale skalare Felder, die ein Höhenrelief beschreiben… …   Deutsch Wikipedia

  • Above ground level — In aviation and atmospheric sciences, an altitude is said to be above ground level (AGL) when it is measured with respect to the underlying ground surface. This is as opposed to above mean sea level (AMSL), or in broadcast engineering, height… …   Wikipedia

  • Above mean sea level — The term above mean sea level (AMSL) refers to the elevation (on the ground) or altitude (in the air) of any object, relative to the average sea level datum. AMSL is used extensively in radio (both in broadcasting and other telecommunications… …   Wikipedia

  • above ground level — The height of an aircraft above ground level. Also known as absolute altitude. It is measured by a radio, radar, or laser altimeter. When an aircraft is required to fly at a certain height above ground level, the AGL refers to its average height… …   Aviation dictionary

  • List of mountains on Mars by height — This is a list of mountains on Mars by elevation. The listed elevations are relative to the Martian datum (the elevation defined as zero by average martian atmospheric pressure and planet radius). Elevation is NOT the height above the surrounding …   Wikipedia

  • Broadcast range — A broadcast range (also listening range for radio, or viewing range for TV) is the service area that a broadcast station or other transmission covers via radio waves (or possibly infrared light, which is closely related). It is generally the area …   Wikipedia

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