Update #1 Final Update: Alaska 4 began following the correct pass schedule, causing the ground station to return to normal operations.

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

Date/Time Issued: October 18, 2024 1711Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: October 12, 2024 1740Z

Date/Time of Expected End: October 18, 2024 1559Z

Length of Outage: 5 days, 22 hours and 19 minutes

Details/Specifics of Change: The Alaska 4 LEO Ground Station is not sending pass solution data. The Lut Vendor is investigating.

Impact: Medium - Distress alert 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

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