Sec. 80.655  Use of frequencies.

    (a) The frequencies available for assignment to maritime support 
stations are described or listed in:
    (1) Section 80.373 for scope of communications described in 
Sec. 80.653(b)(1);
    (2) Sections 80.373 and 80.385 for scope of communications described 
in Sec. 80.653(b)(2); and
    (3) Section 80.389 for scope of communications described in 
Sec. 80.653 (b)(3) and (4).
    (b) Frequencies must be used only on a secondary, non-interference 
basis to operational maritime communications.
    (c) Use of frequencies assigned to services other than the maritime 
radiolocation service is limited to one hour per twenty four hour 
period.
[ 51 FR 31213 , Sept. 2, 1986, as amended at  52 FR 35245 , Sept. 18, 1987]