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

Date/Time Issued: January 31, 2022 1749Z

Product(s) or Data Impacted: SARSAT alert data

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

Date/Time of Expected End: TBD

Length of Outage: TBD

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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