Update #1 - Final Update -M-B The LUT vendor confirmed that power was restored at Fairbanks, AK.M-B Alaska 1 and Alaska 2 Low Earth Orbit (LEO) Ground Stations are now receiving data.

Topic:M-B SARSAT Alaska 1 and 2 Low Earth Orbit (LEO) Ground Stations Offline

Date/Time Issued: December 27, 2019 0535Z

Product(s) or Data Impacted:M-B SARSAT alert data

Date/Time of Initial Impact:M-BDecember 27, 2019 0100Z

Date/Time of Expected End:M-B December 27, 2019 0511Z

Length of Outage:M-BM-B 4 hours and 11 minutes

Details/Specifics of Change:M-BAlaska 1 and 2 M-BLEO Ground Stations in Fairbanks are not receiving data due to an unexpected power outage. The maintenanceM-Bvendor has contacted Fairbanks and will be notified when the power is restored.

Impact:M-BM-BMedium - Missed pass vulnerability to other Ground Station sites being down significantly increased. Distress alert detection/reporting may be delayed.

Contact Information for Further Information:M-BUSMCC OperationsM-Busmcc@noaa.govM-BatM-B

Web Site(s) for applicable information:M-BN/A

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