47 CFR 73.6010: Class A TV station protected contour.

(a)-(b) [Reserved]

(c) A Class A TV station will be protected from interference within the following predicted signal contours:

(1) 43 dBu for stations on Channels 2 through 6;

(2) 48 dBu for stations on Channels 7 through 13; and

(3) 51 dBu for stations on Channels 14 through 36.

(d) The Class A TV station protected contour is calculated from the effective radiated power and antenna height above average terrain, using the F(50,90) signal propagation method specified in § 73.619(b)(1).

(e) A digital Class A DTS station will be protected from interference within its Class A DTS protected area as defined by § 73.6023(d).