Title 47

SECTION 87.71

87.71 Frequency measurements.

§ 87.71 Frequency measurements.

A licensed operator must measure the operating frequencies of all land-based transmitters at the following times:

(a) When the transmitter is originally installed;

(b) When any change or adjustment is made in the transmitter which may affect an operating frequency; or

(c) When an operating frequency has shifted beyond tolerance.