47 CFR § 73.1735 - AM station operation pre-sunrise and post-sunset.

---
identifier: "/us/cfr/t47/s73.1735"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 73.1735 - AM station operation pre-sunrise and post-sunset."
title_number: 47
title_name: "Telecommunication"
section_number: "73.1735"
section_name: "AM station operation pre-sunrise and post-sunset."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "C"
subchapter_name: "BROADCAST RADIO SERVICES"
part_number: "73"
part_name: "RADIO BROADCAST SERVICES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154, 155, 301, 303, 307, 309, 310, 334, 336, 339."
cfr_part: "73"
---


# 73.1735 AM station operation pre-sunrise and post-sunset.

Certain classes of AM stations are eligible to operate pre-sunrise and/or post-sunset for specified periods with facilities other than those specified on their basic instruments of authorization. Such pre-sunrise and post-sunset operation is authorized pursuant to the provisions of § 73.99 of the Rules.

[49 FR 41249, Oct. 22, 1984]