IEVref:723-03-63ID:
Language:enStatus: Standard
Term: primary coverage area
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Definition: that part of the coverage area of a sound broadcasting transmitter within which the field strength of the ground wave of a sound broadcasting transmitter is great enough, relative to the ionospheric wave of the same transmitter and noise and interference from other transmitters, for satisfactory reception both by day and by night

NOTE – In practice this concept only applies to long-wave and mediumwave transmissions.


Publication date:1997-03
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