Update #1 - Final Update – After the maintenance vendor replaced faulty UPSes, the ground stations returned to normal operations.

Topic: SARSAT Guam 3 & 4 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued: December 14, 2022 0704Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: December 13, 2022 0514Z

Date/Time of Expected End: December 14, 2022 0506Z

Length of Outage: 23 hours 52 minutes

Details/Specifics of Change: Guam 3 & 4 LEO Ground Stations in Guam are not sending pass solution data. The maintenance vendor is investigating the issue.

Impact: Medium - Western Pacifica US AOR Distress detection/reporting may be delayed. LEOSAR distress alert 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