{"data":{"id":"us/47-cfr-80.304","jurisdiction":"us","citation":"47 CFR 80.304","heading":"Watch requirement during silence periods.","body":"Each ship station operating on telephony on frequencies in the band 1605-3500 kHz must maintain a watch on the frequency 2182 kHz. This watch must be maintained at least twice each hour for 3 minutes commencing at x h.00 and x h.30 Coordinated Universal Time (UTC) using either a loudspeaker or headphone. Except for distress, urgency or safety messages, ship stations must not transmit during the silence periods on 2182 kHz.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER D—SAFETY AND SPECIAL RADIO SERVICES","PART 80—STATIONS IN THE MARITIME SERVICES","Subpart G—Safety Watch Requirements and Procedures"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"e06cb47e74354ba55dbcec9c027dade87a65ebe48463721a6592aab5b781cffe","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-80.303","next":"us/47-cfr-80.305"},"notice":"GroundRules: Original legal text. Not legal advice."}