Nav aids
Coast guard station boston broadcast services unreliable 1200Z to 2000Z daily 21 jul thru 01 aug
Western North Atlantic · Massachusetts · Radio Services · U.S · NAVAREA IV 542/14
- issued
- 2014-07-17 09:31Z
- status
- cancelled 2014-08-01 21:00Z (archive)
- self-cancels
- 2014-08-01 21:00Z
- authority
- COGARD CAMSLANT 082043Z JUL 14.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC. MASSACHUSETTS. RADIO SERVICES. 1. U.S. COAST GUARD STATION BOSTON BROADCAST SERVICES UNRELIABLE 1200Z TO 2000Z DAILY 21 JUL THRU 01 AUG. 2. CANCEL THIS MSG 012100Z AUG 14.
Activity windows · 12 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2014-07-21 12:00Z | 2014-07-21 20:00Z | — | 8 h |
| 2014-07-22 12:00Z | 2014-07-22 20:00Z | — | 8 h |
| 2014-07-23 12:00Z | 2014-07-23 20:00Z | — | 8 h |
| 2014-07-24 12:00Z | 2014-07-24 20:00Z | — | 8 h |
| 2014-07-25 12:00Z | 2014-07-25 20:00Z | — | 8 h |
| 2014-07-26 12:00Z | 2014-07-26 20:00Z | — | 8 h |
| 2014-07-27 12:00Z | 2014-07-27 20:00Z | — | 8 h |
| 2014-07-28 12:00Z | 2014-07-28 20:00Z | — | 8 h |
| … 4 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
193 aids-to-navigation notices in force · see all
Nav aids
Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.