Sec. 25.275  Particulars of operation.

    (a) Radio station authorizations issued under this part will 
normally specify only the frequency bands authorized for transmission 
and/or reception of the station.
    (b) When authorized frequency bands are specified in the station 
authorization, the licensee is authorized to transmit any number of r.f. 
carriers on any discrete frequencies within an authorized frequency band 
in accordance with the other terms and conditions of the authorization 
and the requirements of this part. Specific r.f. carrier frequencies 
within the authorized frequency band shall be selected by the licensee 
to avoid unacceptable levels of interference being caused to other 
earth, space or terrestrial stations. Any coordination agreements, both 
domestic and international, concerning specific frequency usage 
constraints, including non-use of any particular frequencies within the 
frequency bands listed in the station authorization, are considered to 
be conditions of the station authorization.
    (c) A license for a transmitting earth station will normally specify 
only the r.f. carriers having the highest e.i.r.p. density, the 
narrowest bandwidth, and the largest bandwidth authorized for 
transmission from that station. Unless otherwise specified in the 
station authorization, the licensee is authorized to transmit any other 
type of carrier not specifically listed which does not exceed the 
highest e.i.r.p., e.i.r.p. density and bandwidth prescribed for any 
listed emission.
    (d) Only the most sensitive emission(s) for which protection is 
being afforded from interference in the authorized receive frequency 
band(s) will be specified in the station authorization.