§  73.510   Antenna systems.

   (a) All noncommercial educational stations operating with more than 10
   watts transmitter output power shall be subject to the provisions of
   §  73.316 concerning antenna systems contained in subpart B of this
   part.

   (b) Directional antenna. No application for a construction permit of a
   new station, or change in channel, or change in an existing facility on
   the same channel will be accepted for filing if a directional antenna
   with a maximum-to-minimum ratio of more than 15 dB is proposed.

   [ 42 FR 36829 , July 18, 1977]

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