Topic:  SARSAT Alaska 4 Low Earth Orbit (LEO) Ground Stations Offline

Date/Time Issued:  May 31, 2025 2245Z

Product(s) or Data Impacted:  SARSAT alert data

Date/Time of Initial Impact:   May 31, 2025 1822Z

Date/Time of Expected End:  TBD

Length of Outage:  TBD

Details/Specifics: The Alaska 4  LEO Ground Station is not sending pass solution data due to discrepancies in the pass schedule. The USMCC is currently investigating the issue.

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

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

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

301-817-4576

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