Sec. 90.137  Applications for operation at temporary locations.

    (a) An application for authority to operate a base or a fixed 
transmitter at temporary locations shall be filed in accordance with the 
following:
    (1) When one or more individual transmitters are to be operated by a 
licensee as a base station or as a fixed station at unspecified or 
temporary locations for indeterminate periods, such transmitters may be 
considered to comprise a single station intended to be operated at 
temporary locations.
    (2) The application must specify the general geographic area within 
which the operation will be confined. The area may be specified as a 
city, a county or counties, a state or states or other definable 
geographic area such as a specified radius around a particular city or 
known geographic site.
    (3) Applications for operation at temporary locations exceeding 180 
days must be accompanied by evidence of frequency coordination, except 
that applications for operation at temporary locations exceeding 180 
days by applicants using 220-222 MHz spectrum for geophysical telemetry 
operations need not be accompanied by evidence of frequency 
coordination.
    (b) When any unit or units of a base station or fixed station which 
are authorized for operation at temporary locations actually remain or 
are intended to remain at the same location for more than 1 year, an 
application for a separate authorization specifying the fixed location 
shall be made as soon as possible, but not later than 30 days after the 
expiration of the 1-year period.
[ 43 FR 54791 , Nov. 22, 1978, as amended at  45 FR 63862 , Sept. 26, 1980; 
 51 FR 14997 , Apr. 22, 1986;  58 FR 44956 , Aug. 25, 1993;  62 FR 15992 , 
Apr. 3, 1997]

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