Sec. 90.657  Temporary permit.

    An applicant for a subpart S radio station license utilizing an 
already authorized facility may operate the radio station(s) for a 
period of up to 180 days under a temporary permit evidenced by a 
properly executed certification of FCC Form 572 after filing a formal 
application for station license, together with evidence of frequency 
coordination (when required), provided that the antenna(s) employed by 
the control

[[Page 568]]

station(s) is (are) 6.1 m (20 ft) or less above ground or 6.1 m (20 ft) 
or less above a man-made structure other than an antenna tower to which 
it is affixed.
[ 58 FR 44964 , Aug. 25, 1993]