Update#1 - Final Update: The maintenance vendor replaced defective components resulting in Guam 4 returning to normal operations.

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

Date/Time Issued:  October 05, 2023 1220Z

Product(s) or Data Impacted:  SARSAT alert data

Date/Time of Initial Impact:   October 02, 2023 1134Z

Date/Time of Expected End:  October 05, 2023 0158Z

Length of Outage:  2 days, 14 hours, 24 minutes

Details/Specifics of Change: The Guam 4 LEO Ground Station is not sending pass solution data. 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