Sec.  5.91   Notification of the National Radio Astronomy Observatory.

   In order to minimize possible harmful interference at the National Radio
   Astronomy Observatory site located at Green Bank, Pocahontas County, West
   Virginia, and at the Naval Radio Research Observatory site at Sugar Grove,
   Pendleton County, West Virginia, any applicant for a station authorization
   other than mobile, temporary base, temporary fixed, Personal Radio, Civil
   Air Patrol, or Amateur seeking a station license for a new station, or a
   construction permit to construct a new station or to modify an existing
   station license in a manner that would change either the frequency, power,
   antenna height or directivity, or location of such a station within the area
   bounded by 39 deg. 15' N on the north, 78 deg. 30' W on the east, 37 deg.
   30' N on the south and 80 deg. 30' W on the west shall, at the time of
   filing such application with the Commission, simultaneously notify the
   Director, National Radio Astronomy Observatory, P.O. Box NZ2, Green Bank,
   West  Virginia, 24944, in writing, of the technical particulars of the
   proposed  station.  Such  notification  shall include the geographical
   coordinates of the antenna, antenna height, antenna directivity if any,
   frequency, type of emission, and power. In addition, the applicant shall
   indicate in its application to the Commission the date notification was made
   to the Observatory. After receipt of such applications, the Commission will
   allow a period of twenty (20) days for comments or objections in response to
   the notifications indicated. If an objection to the proposed operation is
   received during the twenty-day period from the National Radio Astronomy
   Observatory for itself or on behalf of the Naval Radio Research Observatory,
   the Commission will consider all aspects of the problem and take whatever
   action is deemed appropriate.