Update #1 - Final Update:The LUT Vendor determined that the Front Processor (FP) did not startup properly after a cold reboot command was sent. The Vendor manually restarted the FP and Alaska 1 LEO Ground Station returned to Normal Operations on April 24, 2018 at 1932Z.

Topic: SARSAT Alaska 1 LEO Ground Station Offline

Date/Time Issued: April 24, 2018 1900Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: April 24, 2018 1748Z

Date/Time of Expected End: April 24, 2018 1932Z

Length of Outage: 1 hour 44 minutes

Details/Specifics of Change: AAK1LEO Ground Station is not operational. The problem is under investigation by the maintenance vendor following two consecutive missed passes.

Impact: Minor-Dual satellite tracking capability lost for northernmost Ground Station. Distress alert detection/reporting may be delayed.

Contact Information for Further Information:USMCC Operationsusmcc@noaa.govat 301-817-4576

Web Site(s) for applicable information:N/A

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