[Code of Federal Regulations]

[Title 47, Volume 5]

[Revised as of October 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 47CFR87.71]



[Page 190]

 

                       TITLE 47--TELECOMMUNICATION

 

        CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION (CONTINUED)

 

PART 87_AVIATION SERVICES--Table of Contents

 

             Subpart C_Operating Requirements and Procedures

 

Sec.  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.