47 C.F.R. § 74.551 Equipment changes.
Title 47 - Telecommunication
(a) Modifications may be made to an existing authorization in accordance with §§1.929 and 1.947 of this chapter. (b) Permissible changes in equipment operating in the bands 18.3–18.58, 18.76–18.82 GHz and 19.1–19.16 GHz. Notwithstanding other provisions of this section, licensees of stations that remain co-primary under the provisions of §74.502(c) may not make modifications to their systems that increase interference to satellite earth stations, or result in a facility that would be more costly to relocate. [28 FR 13716, Dec. 14, 1963, as amended at 38 FR 6827, Mar. 13, 1973; 47 FR 54448, Dec. 3, 1982; 49 FR 7130, Feb. 27, 1984; 50 FR 48599, Nov. 26, 1985; 58 FR 19775, Apr. 16, 1993; 61 FR 4368, Feb. 6, 1996; 65 FR 54172, Sept. 7, 2000; 68 FR 12768, Mar. 17, 2003; 68 FR 16967, Apr. 8, 2003; 68 FR 20225, Apr. 24, 2003; 69 FR 43772, July 22, 2004]
Title 47: Telecommunication
PART 74—EXPERIMENTAL RADIO, AUXILIARY, SPECIAL BROADCAST AND OTHER PROGRAM DISTRIBUTIONAL SERVICES
Subpart E—Aural Broadcast Auxiliary Stations
§ 74.551 Equipment changes.

