Nav aids

Loran-c station pohang, rates 9930-MASTER and 8930-Z, off air 0001Z to 0900Z daily 28 thru 30 apr

HYDROPAC 752/04

issued: 2004-04-27 18:19Z
status: cancelled 2004-04-30 10:00Z (archive)
self-cancels: 2004-04-30 10:00Z
cancels: HYDROPAC 731/04
authority: NAVAREA XI 199/04 271205Z APR 04
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C STATION POHANG, RATES 9930-MASTER
   AND 8930-Z, OFF AIR 0001Z TO 0900Z
   DAILY 28 THRU 30 APR.
2. CANCEL HYDROPAC 731/04.
3. CANCEL THIS MSG 301000Z APR.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2004-04-28 00:01Z	2004-04-28 09:00Z	—	8 h 59
2004-04-29 00:01Z	2004-04-29 09:00Z	—	8 h 59
2004-04-30 00:01Z	2004-04-30 09:00Z	—	8 h 59

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Timeline

Loran-c station pohang, rates 9930-MASTER and 8930-Z, off air 0001Z to 0900Z daily 27 thru 29 aprcancels · 2004-04-23
Loran-c station pohang, rates 9930-MASTER and 8930-Z, off air 0001Z to 0900Z daily 27 thru 29 aprreplaced · 2004-04-23
Loran-c station pohang, rates 9930-MASTER and 8930-Z, off air 292130Z to 300900Z aprcancelled by · 2004-04-29

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.