Update #1: Final Update: Alaska 4 has resumed operations and is receiving pass solution data.

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

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

Date/Time Issued: September 17, 2022 1357Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: September 16, 2022 1900Z

Date/Time of Expected End: September 17, 2022 0003Z

Length of Outage: 5 Hours and 3 minutes

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

Impact: Minor - Dual satellite tracking capability lost for the northernmost ground station. 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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