{"data":{"id":"us/47-cfr-73.6010","jurisdiction":"us","citation":"47 CFR 73.6010","heading":"Class A TV station protected contour.","body":"(a)-(b) [Reserved]\n(c) A Class A TV station will be protected from interference within the following predicted signal contours:\n(1) 43 dBu for stations on Channels 2 through 6;\n(2) 48 dBu for stations on Channels 7 through 13; and\n(3) 51 dBu for stations on Channels 14 through 36.\n(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).\n(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).","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER C—BROADCAST RADIO SERVICES","PART 73—RADIO BROADCAST SERVICES","Subpart J—Class A Television Broadcast Stations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"42c3d8b213b4a3505777cb0054b5bf5704b2de6f53b5bab1f90bc379db7a972a","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-73.6008","next":"us/47-cfr-73.6017"},"notice":"GroundRules: Original legal text. Not legal advice."}