Update #1 - Final Update: The LUT vendor power cycled the antenna and Alaska 4 returned to normal operations at 1616 UTC November 30, 2022..


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


Date/Time Issued:   November 30, 2022, 1905Z


Product(s) or Data Impacted:  SARSAT alert data


Date/Time of Initial Impact:   November 29, 2022, 0600Z


Date/Time of Expected End:  November 30, 2022, 1616Z


Length of Outage:  1 day, 10 hours and 16 minutes


Details/Specifics of Change:  Alaska 4 LEO Ground Station in Fairbanks, AK is not receiving pass solution data. The maintenance vendor is investigating an antenna 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