47 C.F.R. § 73.311

Field strength contours

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(a) Applications for FM broadcast authorizations must show the field strength contours required by FCC Form 2100, Schedule 301 or 340, as appropriate.

(b) The field strength contours provided for in this section shall be considered for the following purposes only:

(1) In the estimation of coverage resulting from the selection of a particular transmitter site by an applicant for an FM broadcast station.

(2) In connection with problems of coverage arising out of application of § 73.3555.

(3) In determining compliance with § 73.315(a) concerning the minimum field strength to be provided over the principal community to be served.

(4) In determining compliance with § 73.215 concerning contour protection.

[28 FR 13623, Dec. 14, 1963, as amended at 31 FR 10126, July 27, 1966; 32 FR 11471, Aug. 9, 1967; 52 FR 10570, Apr. 2, 1987; 54 FR 9802, Mar. 8, 1989; 91 FR 29045, May 19, 2026]
Notes of Decisions
Cited in 1 case, 1982–1982 · leading case: W. Broad. Co. v. Fed. Commc'ns Comm'n, Santa Monica Broad., Inc., Intervenor, 674 F.2d 44 (D.C. Cir. 1982).
W. Broad. Co. v. Fed. Commc'ns Comm'n, Santa Monica Broad., Inc., Intervenor, 674 F.2d 44 (D.C. Cir. 1982). · cites it 2× “at 682-83; 47 C.F.R. § 73.311 (1980). Prior to adoption of the new allocation plan in Docket 14185 in 1962, the Commission’s assignment scheme had protected existing stations from interference within their 1.”
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