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IEVref:705-08-32ID:
Language:enStatus: Standard
Term: usable field strength
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Definition: the minimum value of the field strength from a transmitter permitting reception of required quality at a given point, for specified installation and operating conditions, in the presence of noise and interference, either as actually existing or determined by agreement or in accordance with frequency plans

NOTE 1 – If either noise or interference is subject to fluctuations, the percentage of the time during which the required quality is to be met must be specified.

NOTE 2 – The specified conditions include:

- the transmission mode, the type of service and the frequency band used;
- the characteristics of the reception installation: antenna gain, receiver pass-band, site;
- the operating conditions at the receiver, especially the geographical area, the time of day, and the season of the year.


Publication date:1995-09
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