Update #1 (Final Update): Guam1 data was delayed due to communication line saturation when patches were installed. Guam1 returned to normal operations as of July 25, 2021 1733Z.

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

Date/Time Issued: July 26, 2021 1820Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: July 25, 2021 1555Z

Date/Time of Expected End: July 25, 2021 1733Z

Length of Outage: 1 hour, 38 minutes

Details/Specifics of Change: The GU1 LEO Ground Station in Andersen Air Force Base, Guam is not sending pass solution data. The LUT vendor has been contacted via email.

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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