Update #1 (Final Update): The vendor determined that a Communications Switch connection to the Firewall stopped working and a power cycle was needed to fix the issue.  Data was restored as of 0300 UTC

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


Date/Time Issued:   June 06, 2021 0328Z


Product(s) or Data Impacted:  SARSAT alert data


Date/Time of Initial Impact:  June 05, 2021 0045Z


Date/Time of Expected End: June 06, 2021 0300Z


Length of Outage:  26 Hours 45 Minutes


Details/Specifics of Change: The Alaska 4 (AK3) LEO Ground Station located in Fairbanks, AK has stopped sending pass solution data. The LUT vendor has been contacted and is investigating this issue.


Impact: Minor-Dual Satellite tracking capability lost. Distress alert detection/reporting timeliness affected.


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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