Mrcc rome (41-37N 012-29E) radio frequencies 490 khz thru 518 khz inoperative 200600Z to 201400Z mar
Tyrrhenian Sea · HYDROLANT 1041/20
What this record establishes
Archived notice · 2020-03-21 02:16Z
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) · NAVAREA III 466/20 191959Z MAR 20.. Issued 2020-03-19 20:53Z. 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
- Tyrrhenian Sea. The parsed report position is 41.617, 12.483. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROLANT 1041/20 and this msglater cancellation notice
Current notices and reporting history in the Tyrrhenian Sea →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-03-20 06:00Z | 2020-03-20 14:00Z | — | 8 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2020-03-19 20:53Z
- status
- Archived notice
- self-cancels
- 2020-03-20 15:00Z
- authority
- NAVAREA III 466/20 191959Z MAR 20.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Tyrrhenian Sea
- position
- 41.617, 12.483
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
TYRRHENIAN SEA. ADRIATIC SEA. ITALY. DNC 08, DNC 09. 1. MRCC ROME (41-37N 012-29E) RADIO FREQUENCIES 490 KHZ THRU 518 KHZ INOPERATIVE 200600Z TO 201400Z MAR. 2. CANCEL THIS MSG 201500Z MAR 20.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- MRCC (Maritime Rescue Coordination Centre)
- A rescue coordination centre for maritime cases only, such as MRCC Fort-de-France or MRCC Vietnam.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- 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.
Collected reports in this area · aids-to-navigation notices
148 within 180 nm since 1997 · 0 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- NAVTEX station mondolfo (u) 43-44.51N 013-08.33E off air2022-11-27
- NAVTEX station mondolfo (u) 43-44.51N 013-08.33E off air2022-11-24
- NAVTEX station la maddalena (r) 41-13.22N 009-23.57E off air2021-10-05
- NAVTEX station mondolfo (u) and (e) 43-44.51N 013-08.33E off air 212300Z sep until further notice2021-09-21
- Platform ida b 44-26.85N 013-28.65E unlit2021-08-18
- GPS jamming exercises 0600Z to 1000Z, 1200Z to 1600Z and 1700Z to 2000Z daily 14 thru 16 may in area bound…2018-05-14
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
137 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-01 13:56Z; 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.