§ 73.157   Antenna testing during daytime.

   (a) The licensee of a station using a directional antenna during
   daytime or nighttime hours may, without further authority, operate
   during daytime hours with the licensed nighttime directional facilities
   or with a nondirectional antenna when conducting monitoring point field
   strength measurements or antenna proof of performance measurements.

   (b) Operation pursuant to this section is subject to the following
   conditions:

   (1) No harmful interference will be caused to any other station.

   (2) The FCC may notify the licensee to modify or cease such operation
   to resolve interference complaints or when such action may appear to be
   in the public interest, convenience and necessity.

   (3) Such operation shall be undertaken only for the purpose of taking
   monitoring point field strength measurements or antenna proof of
   performance measurements, and shall be restricted to the minimum time
   required to accomplish the measurements.

   (4) Operating power in the nondirectional mode shall be adjusted to the
   same power as was utilized for the most recent nondirectional proof of
   performance covering the licensed facilities.

   [ 50 FR 30947 , July 31, 1985]

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