Update #1 M-bM-^@M-^S Final Update M-bM-^@M-^S The LUT Vendor completed troubleshooting the Guam Ground Station.Data distribution has returned to normal as of 1218 UTC.

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

Date/Time Issued: March 28, 2018 1529Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: March 28, 2018 0838Z

Date/Time of Expected End: March 28, 2018 1218Z

Length of Outage: 3 hours 40 minutes

Details/Specifics of Change:Guam 1 LEO Ground Station at Andersen Air Force Base,Guam has stopped receiving pass solution data.The maintenance vendor is investigating the problem.

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

Contact Information for Further Information:USMCC Operationsusmcc@noaa.govat 301-817-4576

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

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