Sec. 74.661  Frequency tolerance.

    Stations in this service shall maintain the carrier frequency of 
each authorized transmitter to within the following percentage of the 
assigned frequency.

[[Page 426]]



                                                                        
------------------------------------------------------------------------
                                                           Frequency    
                                                           Tolerance    
                Frequency band (MHz)                 -------------------
                                                        Fixed    Mobile 
                                                         (%)       (%)  
------------------------------------------------------------------------
1,990 to 2,110......................................  \2\ 0.00          
                                                         5         0.005
6,425 to 6,525......................................  ........     0.005
6,875 to 7,125......................................  \2\ 0.00          
                                                         5         0.005
12,700 to 13,250....................................  \2\ 0.00          
                                                         5         0.005
17,700 to 18,820....................................     0.003  ........
18,920 to 19,700....................................     0.003  ........
31,000 to 31,300....................................     0.03      0.03 
38,600 to 40,000....................................  \1\ 0.00          
                                                         5      \1\ 0.00
                                                                   5    
------------------------------------------------------------------------
\1\ For transmitters with an output power of 50 mW or less, the         
  frequency tolerance need only be 0.05%                                
\2\ Television translator relay stations shall maintain a frequency     
  tolerance of 0.002%.                                                  


[ 52 FR 7143 , Mar. 9, 1987]