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