Update #1 – Final Update – The LUT Vendor has completed investigating the Alaska 1 Ground Station and recycled power to the ACU. The Ground Station is now producing solutions. The Ground Station returned to normal on 29 June at 1721Z.

Topic: SARSAT Alaska 1 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued: June 29, 2020 2030Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: June 28, 2020 1849Z

Date/Time of Expected End: June 29, 2020, 1721Z

Length of Outage: Approximately 22 hours 30minutes

Details/Specifics of Change: Alaska 1 LEO Ground Station in Fairbanks, Alaska is not receiving pass solution data. The LUT Vendor has been contacted and suspects the Elevation Belt is broken. The LUT Vendor reported staff will be on site June 29th to conduct this investigation.

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

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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