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Loran-c station seneca, rates 8970-X and 9960-M, unusable 1500Z to 1700Z daily 21 and 22 apr

NAVAREA IV 108/99

issued: 1999-04-16 07:00Z
status: cancelled 1999-04-22 00:00Z (archive)
self-cancels: 1999-04-22 18:00Z
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C STATION SENECA, RATES 8970-X AND 9960-M,
   UNUSABLE 1500Z TO 1700Z DAILY 21 AND 22 APR.
2. CANCEL THIS MSG 221800Z APR.

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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.