47 CFR § 80.377 - Frequencies for ship earth stations.

---
identifier: "/us/cfr/t47/s80.377"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 80.377 - Frequencies for ship earth stations."
title_number: 47
title_name: "Telecommunication"
section_number: "80.377"
section_name: "Frequencies for ship earth stations."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "D"
subchapter_name: "SAFETY AND SPECIAL RADIO SERVICES"
part_number: "80"
part_name: "STATIONS IN THE MARITIME 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. 151-155, 301-609; 3 U.S.T. 3450, 3 U.S.T. 4726, 12 U.S.T. 2377."
regulatory_source: "51 FR 31213, Sept. 2, 1986, unless otherwise noted."
cfr_part: "80"
---


# 80.377 Frequencies for ship earth stations.

The frequency band 1626.5-1645.5 MHz is assignable for communication operations and radiodetermination and telecommand messages that are associated with the position, orientation and operational functions of maritime satellite equipment. The frequency band 1645.5-1646.5 MHz is reserved for use in the Global Maritime Distress and Safety System (GMDSS).

[78 FR 25175, Apr. 29, 2013]