---
kind: "section"
citation: "47 C.F.R. § 80.304"
title: "47"
number: "80.304"
heading: "Watch requirement during silence periods."
url: "https://uscodex.org/cfr/47/80.304"
---

# §80.304. Watch requirement during silence periods.


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.


## Notes

### Amendments

[69 FR 64673, Nov. 8, 2004]

### Authority

Authority: 47 U.S.C. 151-155, 301-609; 3 U.S.T. 3450, 3 U.S.T. 4726, 12 U.S.T. 2377.

### Source

Source: 51 FR 31213, Sept. 2, 1986, unless otherwise noted.

### Amendments

[69 FR 64673, Nov. 8, 2004]