Height above average terrain
Height above average terrain (HAAT), or (less popularly) effective height above average terrain (EHAAT), is the vertical position of an antenna site is above the surrounding landscape. HAAT is used extensively in FM radio and television, as it is more important than effective radiated power (ERP) in determining the range of broadcasts (VHF and UHF in particular, as they are line of sight transmissions). For international coordination, it is officially measured in meters, even by the Federal Communications Commission in the United States, as Canada and Mexico have extensive border zones where stations can be received on either side of the international boundaries. Stations that want to increase above a certain HAAT must reduce their power accordingly, based on the maximum distance their sta
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Height above average terrain
Height above average terrain (HAAT), or (less popularly) effective height above average terrain (EHAAT), is the vertical position of an antenna site is above the surrounding landscape. HAAT is used extensively in FM radio and television, as it is more important than effective radiated power (ERP) in determining the range of broadcasts (VHF and UHF in particular, as they are line of sight transmissions). For international coordination, it is officially measured in meters, even by the Federal Communications Commission in the United States, as Canada and Mexico have extensive border zones where stations can be received on either side of the international boundaries. Stations that want to increase above a certain HAAT must reduce their power accordingly, based on the maximum distance their sta
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Die Effektive Antennenhöhe (ku ...... enötigten azimutalen Richtung.
@de
Height above average terrain ( ...... of Federal Regulations (CFR).
@en
La hauteur effective d'une ant ...... ation est autorisée à couvrir.
@fr
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Die Effektive Antennenhöhe (ku ...... enötigten azimutalen Richtung.
@de
Height above average terrain ( ...... the maximum distance their sta
@en
La hauteur effective d'une ant ...... nter au-dessus d'une certaine
@fr
label
Effektive Antennenhöhe
@de
Hauteur effective d'une antenne
@fr
Height above average terrain
@en