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

Date/Time Issued: July 01, 2025 1351Z

Product(s) or Data Impacted:  SARSAT alert data

Date/Time of Initial Impact:  July 01, 2025 0100Z

Date/Time of Expected End:  TBD

Length of Outage:  TBD

Details/Specifics: The Guam 3 LEO Ground Station is not sending pass solution data. The Lut Vendor is investigating.

Impact: Minor - Dual satellite tracking capability lost. Distress alert detection/reporting timeliness affected.

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

Web Site(s) for applicable information: N/A

This notification was sent to ESPC.Notification@noaa.gov mailing list. If you wish to unsubscribe or subscribe to this list, please contact ESPC Help-Desk at ESPCOperations@noaa.gov with your request. Please note: it may take up to two business days to process your request. For any additional information you can reach ESPC at 301-817-3880 (24x7).