Update #1: The LUT vendor was contacted and GUAM 4 returned to normal operations.


Topic:  SARSAT Guam 4 Low Earth Orbit (LEO) Ground Station Offline


Date/Time Issued:  September 25, 2023 0214Z


Product(s) or Data Impacted:  SARSAT alert data


Date/Time of Initial Impact:  September 21, 2023 0947Z


Date/Time of Expected End:  September 22, 2023 0042Z


Length of Outage:  14 Hours and 55 minutes


Details/Specifics of Change: The Guam 4 LEO Ground Station has antenna communication issues. The maintenance vendor is working on repairing the issue.


Impact: Medium - LEOSAR Western Pacifica US AOR distress detection/reporting may be delayed. GEOSAR and MEOSAR are operating nominally.


Contact Information for Further Information: USMCC Operations usmcc@noaa.gov at  301-817-4576


Web Site(s) for Applicable Information: N/A


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