Update #1 - Final Update: The maintenance vendor replaced the antenna motor and Guam 4 returned to normal operation on February 06, 2023 0427Z.

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

Date/Time Issued:    February 06, 2023 0925Z

Product(s) or Data Impacted:  SARSAT alert data

Date/Time of Initial Impact:   February 05, 2023 0450Z

Date/Time of Expected End:  February 06, 2023 0427Z

Length of Outage:  23 hours and 37 minutes

Details/Specifics of Change: Guam 4 LEO Ground Station in Guam is not sending all the pass solution data that is expected. The maintenance vendor has reported an antenna motor issue. They are working to replace the motor.

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

Web Site(s) for applicable information: N/A

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