Update #1 - Final Update: Guam 1 returned to Normal Operation on March 04, 2018 at 0026Z after an on-site technician swapped out a defective Low Noise Converter.

Topic:SARSAT GU1 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued: March 4, 2018 0215Z

Product(s) or Data Impacted:SARSAT Alert Data

Date/Time of Initial Impact: March 3, 2018 1813Z

Date/Time of Expected End: March 4, 2018 0026Z

Length of Outage: 6 hours and 13 minutes

Details/Specifics of Change: Guam 1 LEO Ground Station is currently being investigated by the Honeywell support engineer.

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

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

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