Nav aids

Loran-c chain korea, rate 9930, and station pohang, rate 8930-Z, off air 300001Z to 300800Z oct

HYDROPAC 1724/01

issued: 2001-10-25 14:55Z
status: cancelled 2001-10-30 09:00Z (archive)
self-cancels: 2001-10-30 09:00Z
cancels: HYDROPAC 1723/01
authority: NAVAREA XI 715/01 IOR EGC#1052 250806Z OCT 01
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C CHAIN KOREA, RATE 9930, AND STATION POHANG,
   RATE 8930-Z, OFF AIR 300001Z TO 300800Z OCT.
2. CANCEL HYDROPAC 1723/01.
3. CANCEL THIS MSG 300900Z OCT.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2001-10-30 00:01Z	2001-10-30 08:00Z	—	7 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 stations kwangju, rate 9930-W, and ussuriysk, rate 9930-Z, off air 300001Z to 300800Z octcancels · 2001-10-25
Loran-c stations kwangju, rate 9930-W, and ussuriysk, rate 9930-Z, off air 300001Z to 300800Z octreplaced · 2001-10-25

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Nav aids

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