The licensee of an experimental broadcast station may make any changes in the equipment that are deemed desirable or necessary provided:
That the operating frequency is not permitted to deviate more than the allowed tolerance;
That the emissions are not permitted outside the authorized band;
That the power output complies with the license and the regulations governing the same; and
That the transmitter as a whole or output power rating of the transmitter is not changed.
(Secs. 4, 303, 48 Stat., as amended, 1066, 1032;
47 U.S.C. 158, 303
[28 FR 13706, Dec. 14, 1963, as amended at 49 FR 32584, Aug. 15, 1984]