Goto Section: 73.1660 | 73.1670 | Table of Contents
Revised as of October 1, 2020
Goto Year:2019 |
§ 73.1665 Main transmitters.
(a) Each AM, FM, TV and Class A TV broadcast station must have at least
one main transmitter which complies with the provisions of the
transmitter technical requirements for the type and class of station. A
main transmitter is one which is used for regular program service
having power ratings appropriate for the authorized operating power(s).
(b) There is no maximum power rating limit for FM, TV or Class A TV
station transmitters, however, the maximum rated transmitter power of a
main transmitter stalled at an AM station shall be as follows:
Table 1 to Paragraph (b)
Authorized power Maximum
0.25, 0.5, or 1 kW 1
2.5 kW 5
5 or 10 kW 10
25 or 50 kW 50
(c) A licensee may, without further authority or notification to the
FCC, replace an existing main transmitter or install additional main
transmitter(s) for use with the authorized antenna if the replacement
or additional transmitter(s) has been approved with Supplier's
Declaration of Conformity. Within 10 days after commencement of regular
use of the replacement or additional transmitter(s), equipment
performance measurements, as prescribed for the type of station are to
Note 1 to paragraph (c): The verification procedure has been replaced
by Supplier's Declaration of Conformity. Transmitters previously
authorized under subpart J of this chapter may remain in use. See
§ 2.950 of this chapter.
Note 2 to paragraph (c): Pending the availability of AM broadcast
transmitters that are authorized for use in the 1605-1705 kHz band,
transmitters that are approved or verified for use in the 535-1605 kHz
band may be utilized in the 1605-1705 kHz band if it is shown that the
requirements of § 73.44 have been met. Equipment authorization for the
transmitter will supersede the applicability of this note.
[ 43 FR 53741 , Nov. 17, 1978, as amended at 47 FR 8590 , Mar. 1, 1982; 47 FR 28388 , June 30, 1982; 49 FR 4000 , Feb. 1, 1984; 51 FR 18451 , May 20,
1986; 56 FR 64872 , Dec. 12, 1991; 63 FR 36604 , July 7, 1998; 65 FR 30004 , May 10, 2000; 82 FR 50835 , Nov. 2, 2017]
Goto Section: 73.1660 | 73.1670
Goto Year: 2019 |
CiteFind - See documents on FCC website that
cite this rule
Want to support this service?
Report errors in
this rule. Since these rules are converted to HTML by machine, it's possible errors have been made. Please
help us improve these rules by clicking the Report FCC Rule Errors link to report an error.
Helping make public information public