Update #1 (Final Update): After the maintenance vendor installed a replacement front processor, the GU1 LEO Ground Station returned to normal operations.

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

Date/Time Issued: March 03, 2021 1252Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: March 03, 2021 0057Z

Date/Time of Expected End: April 14, 2021 1950Z

Length of Outage: 43 days, 18 hours, 53 minutes

Details/Specifics of Change: The GU1 LEO Ground Station in Andersen Air Force Base, Guam did not return to normal operations after the Verizon circuit issue was resolved, and is not sending pass solution data. The LUT Vendor is investigating this issue and is sending a technician to the site.

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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