Sec.  87.41   Frequencies.

   (a) Applicant responsibilities. The applicant must propose frequencies to be
   used  by  the station consistent with the applicant's eligibility, the
   proposed operation and the frequencies available for assignment. Applicants
   must cooperate in the selection and use of frequencies in order to minimize
   interference and obtain the most effective use of stations. See subpart E
   and  the  appropriate subpart applicable to the class of station being
   considered.

   (b) Licensing limitations. Frequencies are available for assignment to
   stations on a shared basis only and will not be assigned for the exclusive
   use of any licensee. The use of any assigned frequency may be restricted to
   one or more geographical areas.

   (c) Government frequencies. Frequencies allocated exclusively to federal
   government radio stations may be licensed. The applicant for a government
   frequency  must provide a satisfactory showing that such assignment is
   required for inter-communication with government stations or required for
   coordination with activities of the federal government. The Commission will
   coordinate  with the appropriate government agency before a government
   frequency is assigned.

   (d) Assigned frequency. The frequency coinciding with the center of an
   authorized  bandwidth  of  emission  must be specified as the assigned
   frequency. For single sideband emission, the carrier frequency must also be
   specified.