Update #1 (Final Update): The LUT Vendordetermined missed passes were due to patching of the #2 LUTS. The Ground System has returned to normal.

Topic:SARSATAlaska 2 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued:July 23, 2018 2135Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact:July 23, 2018 1840Z

Date/Time of Expected End: July 23, 2018 2037Z

Length of Outage: 1 hour 58 minutes

Details/Specifics of Change:Alaska 2 LEO Ground Station in Fairbanks, AK is out of service following two consecutive missed satellite passes. The LUT Vendor is investigating the problem.

Impact:Minor-Dual satellite tracking capability lost for northernmost Ground Station. Distress alert detection/reporting timeliness affected.

Contact Information for Further Information:USMCC Operationsusmcc@noaa.govat301-817-4576

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

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