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Federal regulations · Through 2026-08-25 · Newer source version available

47 CFR 80.393: Frequencies for AIS stations.

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Where this section sits in the code
  1. Title 47—Telecommunication
  2. CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION
  3. SUBCHAPTER D—SAFETY AND SPECIAL RADIO SERVICES
  4. PART 80—STATIONS IN THE MARITIME SERVICES
  5. Subpart H—Frequencies

Automatic Identification Systems (AIS) are a maritime broadcast service. The simplex channels at 156.775 MHz (AIS 3), 156.825 MHz (AIS 4), 161.975 MHz (AIS 1), and 162.025 MHz (AIS 2), each with a 25 kHz bandwidth, may be authorized only for AIS. In accordance with the Maritime Transportation Security Act, the United States Coast Guard regulates AIS carriage requirements for non-Federal Government ships. These requirements are codified at 33 CFR 164.46, 401.20.

Collected 2026-08-27T02:26:28Z. Source file · JSON

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