StacksVerified U.S. regulatory reference

47 CFR §73.6010

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)-(b) [Reserved]
  2. (c)A Class A TV station will be protected from interference within the following predicted signal contours:
    1. (1)43 dBu for stations on Channels 2 through 6;
    2. (2)48 dBu for stations on Channels 7 through 13; and
    3. (3)51 dBu for stations on Channels 14 through 36.
  3. (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).
  4. (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).