Update #4 (Final Update): After the LUT vendor reset the rack fiber transmitter, the Alaska 4 LEO Ground Station returned to normal operations at 2145Z, November 05, 2020.

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

Date/Time Issued: November 12, 2020 2011Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: November 03, 2020 0710Z

Date/Time of Expected End: November 05, 2020 2145Z

Length of Outage: 62 hours 35 minutes

Details/Specifics of Change: Alaska 4 (AK4) LEO Ground Station located in Fairbanks, Alaska. AK4 stopped receiving pass solution data at 0710Z. The LUT vendor has been contacted.

Impact: Minor 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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