[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: 47CFR87.135]



[Page 195]

 

                       TITLE 47--TELECOMMUNICATION

 

        CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION (CONTINUED)

 

PART 87_AVIATION SERVICES--Table of Contents

 

                    Subpart D_Technical Requirements

 

Sec.  87.135  Bandwidth of emission.



    (a) Occupied bandwidth is the width of a frequency band such that, 

below the lower and above the upper frequency limits, the mean powers 

emitted are each equal to 0.5 percent of the total mean power of a given 

emission.

    (b) The authorized bandwidth is the maximum occupied bandwidth 

authorized to be used by a station.

    (c) The necessary bandwidth for a given class of emission is the 

width of the frequency band which is just sufficient to ensure the 

transmission of information at the rate and with the quality required 

under specified conditions.