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 2055Z

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: ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880 24x7 or goes-r.product.engineering.group@noaa.gov during normal business hours

Web Site(s) for Applicable Information: N/A


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