Update #1 - Final Update: The LUT vendor rebooted the SDR and PROC servers and Alaska 3 returned to normal operations.

Topic:  SARSAT Alaska 3 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued:   May 30, 2023 2049Z

Product(s) or Data Impacted:  SARSAT alert data

Date/Time of Initial Impact:   May 30, 2023 1133Z

Date/Time of Expected End:  May 31, 2023 0024Z

Length of Outage:  12 hours and 51 minutes

Details/Specifics of Change:  Alaska 3 LEO Ground Station in Fairbanks, AK is not receiving expected pass solution data. The maintenance vendor is investigating this issue.

Impact: Medium - Missed pass vulnerability to other ground station sites being down significantly increased. LEOSAR distress alert detection/reporting may be delayed. GEOSAR and MEOSAR are operating nominally.

Contact Information for Further Information: USMCC Operations usmcc@noaa.gov at 

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