Licensing limitations.

Operational fixed stations are subject to the following licensing limitations: (a) A maximum of four frequencies will be assigned. (b) Stations will not be authorized when applications indicate less than 16 km (10 miles) separation between a proposed station and a TV transmitter operating on either Channel 4 or 5, or from the post office of a community in which either channel is assigned but not in operation. (c) Stations located between 16 km (10 miles) and 128 km (80 miles) of a TV transmitter operating on either Channel 4 or 5, or from the post office of a community in which either channel is assigned but not in operation, are secondary to TV operations within the Grade B service contour. [51 FR 31213, Sept. 2, 1986; 51 FR 34984, Oct. 1, 1986, as amended at 54 FR 40059, Sept. 29, 1989; 90 FR 57709, Dec. 12, 2025]