PUBLIC NOTICE
Federal Communications Commission
445 12
th
 St., S.W.
Washington, D.C. 20554
News Media Information 202 / 418-0500
Internet: http://www.fcc.gov
TTY: 1-888-835-5322
DA 18-268
March 22, 2018
MEDIA BUREAU ANNOUNCES MARCH 21, 2018, EFFECTIVE DATE OF
AMENDED RULES FOR AM DIRECTIONAL ANTENNA ARRAYS
MB Docket No. 13-249
On September 22, 2017, the Federal Communications Commission (Commission) adopted a 
Third Report and Order (Third R&O) in the Revitalization of the AM Service rulemaking proceeding, 
modifying certain rules pertaining to the licensing and modification of AM directional antenna arrays.
1
  
The Third R&O provided that the “rule changes to Sections 73.151(c)(1)(ix), 73.151(c)(1)(x), 
73.151(c)(3), 73.154(a), and 73.155, all of which contain new or modified information collection 
requirements that require approval by the Office of Management and Budget (OMB) under the 
[Paperwork Reduction Act], WILL BECOME EFFECTIVE after the Commission publishes a notice in 
the Federal Register announcing such approval and the relevant effective date.”
2
  A summary of the Third 
R&O was published in the Federal Register on November 3, 2017.
3
  On March 21, 2018, a summary was 
published in the Federal Register announcing OMB approval of the rules containing information 
collection requirements, which became effective on the date of Federal Register publication.
4
  
Accordingly, the changes to Sections 73.151(c)(1)(ix), 73.151(c)(1)(x), 73.151(c)(3), 73.154(a), and 
73.155 of the Commission’s rules took effect on March 21, 2018.
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People with Disabilities:  To request materials in accessible formats for people with disabilities 
(Braille, large print, electronic files, audio format), send an e-mail to fcc504@fcc.gov or call the 
Consumer & Governmental Affairs Bureau at 202-418-0530 (voice), 202-418-0432 (tty).
For further information regarding this proceeding, contact Thomas Nessinger or Lisa Scanlan, 
Audio Division, Media Bureau, 202-418-2700.
--FCC--
1
 Revitalization of the AM Radio Service, Third Report and Order, 32 FCC Rcd 7736 (2017).
2
 Id. at 7747, para. 37.  One other rule change, to 47 CFR § 73.151(c)(1)(viii), became effective on December 4, 
2017, 30 days after the summary of the Third R&O was published in the Federal Register.  82 Fed. Reg. 51161 
(Nov. 3, 2017).
3
 Federal Communications Commission, 47 CFR Part 73, Revitalization of the AM Radio Service, 82 Fed. Reg. 
51161 (Nov. 3, 2017).
4
 Federal Communications Commission, 47 CFR Part 73, Revitalization of the AM Radio Service, 83 Fed. Reg. 
12274 (Mar. 21, 2018).  
5
 47 CFR §§ 73.151(c)(1)(ix), 73.151(c)(1)(x), 73.151(c)(3), 73.154(a), and 73.155.