CFR /  Title 47  /  Part 73  /  Sec. 73.4246 Stereophonic pilot subcarrier use during monophonic

See Report and Order, Docket 19571, FCC 73-680, adopted June 21, 1973. 41 FCC 2d 534; 38 FR 17021, June 28, 1973. [47 FR 3792, Jan. 27, 1982]