Sec. 73.1705  Time of operation.

    (a) Commercial and noncommercial educational TV and commercial FM 
stations will be licensed for unlimited time operation. Application may 
be made for voluntary share-time operation.
    (b) Noncommercial educational FM stations will be licensed for 
unlimited and share time operation according to the provisions of 
Sec. 73.561.
    (c) AM stations in the 535-1705 kHz band will be licensed for 
unlimited time. In the 535-1605 kHz band, stations that apply for share 
time and specified hours operations may also be licensed. AM stations 
licensed to operate daytime-only and limited-time may continue to do so; 
however, no new such stations will be authorized, except for fulltime 
stations that reduce operating hours to daytime-only for interference 
reduction purposes.

[ 43 FR 45849 , Oct. 4, 1978, as amended at  56 FR 64872 , Dec. 12, 1991]