Update #1-Final Update: The Vendor power cycled the antenna and also made adjustments to the wiring harnesses to add additional slack to mitigate the issue where it wasn't able to recover from Low-elevation passes.

Topic: SARSAT Guam 3 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued: April 4, 2024 1758Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: March 30, 2024 1320Z

Date/Time of Expected End: April 3, 2024 0645Z

Length of Outage: 3 days, 17 hours and 25 minutes

Details/Specifics of Change: The Guam 3 LEO Ground Station is not sending expected pass solution data. The Lut Vendor is investigating.

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

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