Correction to Contact Information: ESPC and goes-r information removed.

Update#1 (Final Update): Alaska 4 has resumed sending normal pass data as of 0011Z on February 04, 2022.

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

Date/Time Issued: February 04, 2022 2121Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: January 31, 2022 0857Z

Date/Time of Expected End: February 04, 2022 0011Z

Length of Outage: 3 days, 15 hours, 14 minutes

Details/Specifics of Change: The Alaska 4 (AK4) LEO Ground Station located in Fairbanks, AK is intermittently sending low solution counts or missing passes. The maintenance vendor has reported an intermittent azimuth antenna issue that's related to the low temperatures in Fairbanks, AK.

Impact: Minor-Dual satellite tracking capability lost. Distress alert detection/reporting may be delayed.

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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