Coast guard communication station miami florida NAVTEX, mtds, sdn, svn, scn, air to ground, secure air to…
NAVAREA IV 948/93
What this record establishes
Archived notice · 1993-07-10 00:00Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05). Issued 1993-07-07 18:22Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- No named location parsed. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1993-07-09 10:30Z | 1993-07-09 23:00Z | — | 12 h 30 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 1993-07-07 18:22Z
- status
- Archived notice
- self-cancels
- 1993-07-10 01:00Z
- NAVAREA
- NAVAREA IV
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. U.S. COAST GUARD COMMUNICATION STATION MIAMI FLORIDA NAVTEX, MTDS, SDN, SVN, SCN, AIR TO GROUND, SECURE AIR TO GROUND AND ALL PHONE LINES OFF AIR 091030Z TO 092300Z JUL. 2. CANCEL THIS MSG 100100Z JUL.
Reading this warning
- NAVTEX
- An automated medium-frequency radio service that sends coastal warnings as text to a small printer or screen on board.
- Inoperative / unreliable / off air
- An aid or radio service is not working as charted or published.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
147 aids-to-navigation notices listed in force · see all
Record snapshot 2026-09-24 12:21Z; source collection times vary.
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.