§  80.511   Assignment limitations.

   (a) Only one port operation, one commercial and one non-commerical
   frequency will be assigned to a private coast station or marine utility
   station. Applications for authority to use more than one frequency in
   any one of the above three categories must include a showing of need as
   specified below.

   (b) An application for an additional frequency by a person who services
   vessels, must include a description of the vessels with which
   communication is planned and a statement that the applicant has
   personal knowledge that the ship radio stations are not capable of
   operating on working frequencies already assigned to the coast station.

   (c) An applicant for an additional frequency based on congestion of the
   assigned frequency may be asked by the Commission to show that for any
   four periods of five consecutive days each, in the preceding six
   months, the assigned frequency was in use at least twenty-five percent
   of the time during three hours of daily peak activity.

   [ 51 FR 31213 , Sept. 2, 1986, as amended at  63 FR 68956 , Dec. 14, 1998]