The operating power specified in Sec. 73.751 shall be determined by use of a calibrated dummy load or by any other method specified by the licensee and accepted by the Commission. Such method may subsequently be used by the licensee to maintain the authorized operating power. (Secs. 4, 5, 303, 48 Stat., as amended, 1066, 1068, 1082 (47 U.S.C. 154, 155, 303)) [38 FR 18895, July 16, 1973, as amended at 44 FR 65765, Nov. 15, 1979] Sec. 73.766 [Reserved]