Update #1 Final Update: The investigation determined the issue was with the GOES-19 satellite, not the LUT. Engineers successfully restarted the onboard instruments, restoring the satellite to normal operations.

Topic: SARSAT Maryland 1 (MD1) Geostationary Earth Orbit (GEO) Ground Station Offline

Date/Time Issued: July 16, 2026, 2308Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: July 15, 2026, 2100Z

Date/Time of Expected End: July 16, 2026, 1630Z

Length of Outage: 19 hours and 30 Minutes

Details/Specifics of Change: Maryland 1 (MD1) GEO Ground Station in Suitland, MD is not receiving pass solution data. The LUT vendor was notified.

Impact: Minor- There is no impact on distress alert detection/reporting timelines due to the redundancy of the SARSAT GEOLUT system.

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