Update #1: The LUT Vendor found that the reboot commands sent to Guam 1 were not successful in restarting and left the system in a stop state. The Front Processor and Location Processor servers were rebooted. A subsequent check of the system found that a possible Low Noise Converter problem exists and a technician is being dispatched to the site to troubleshoot.

Topic: SARSATGuam1Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued:July 29,2018 1046Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact:July 29,2018 0714Z

Date/Time of Expected End:TBD

Length of Outage:TBD

Details/Specifics of Change:Guam1 LEO Ground Station, at Andersen Air Force Base,is out of service following three consecutive missed satellite passes. The LUT Vendor is investigating the problem.

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

Contact Information for Further Information:USMCC Operationsusmcc@noaa.govat301-817-4576

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