Update #1 - Final Update  –   The maintenance vendor recovered a corrupted file and Guam 4 began sending pass solution data.

Topic:  SARSAT Guam 4 Low Earth Orbit (LEO) Ground Stations Offline

Date/Time Issued:   April 21, 2023 1325Z

Product(s) or Data Impacted:  SARSAT alert data

Date/Time of Initial Impact:   April 19, 2023 1126Z

Date/Time of Expected End:  April 20, 2023 1344Z

Length of Outage:  1 day, 2 hours, 18 minutes.

Details/Specifics of Change: Guam 4 LEO Ground Stations in Guam is not sending pass solution data. The maintenance vendor is investigating this issue.

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

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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