Update#1- After the Vendor replaced the UPS unit, GUAM LEOLUT returned to normal operations.

Topic: M-BSARSAT Guam 1 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued:M-B March 03, 2020 1030Z

Product(s) or Data Impacted: M-BSARSAT alert data

Date/Time of Initial Impact: M-BFebruary, 12, 2020 1249Z M-B

Date/Time of Expected End: M-BMarch 03, 2020 0808Z

Length of Outage: M-B19 Days, 19 hours, 19 minutes

Details/Specifics of Change: M-BDue to a faulty UPS unit, Guam 1 LEO Ground Station in Andersen Air Force Base, Guam is not sending pass solution data or responding to commands. The LUT vendor is waiting for the new UPS unit to arrive for replacement.

Impact: Minor-Dual satellite tracking capability lost. Distress alert detection/reporting timeliness affected.

Contact Information for Further Information: USMCC Operations usmcc@noaa.gov at

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