Update #2: Alaska 4 is missing all passes again. The vendor has been notified.


Update #1: Alaska 4 is sending 406 data but the solution count is much lower than expected.


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


Date/Time Issued:  November 29, 2021 1238Z


Product(s) or Data Impacted:  SARSAT alert data


Date/Time of Initial Impact:      November 28, 2021 1233Z    


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  has missed two consecutive passes. The maintenance vendor has reported an intermittent azimuth antenna issue.


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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