Update #1: Final Update- The vendor restarted processor software. SARSAT Alaska 2 Low Earth Orbit (LEO) Ground Station returned to Normal Operations at 0126Z, April 28, 2018.

Topic:SARSATAlaska2 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued: April 28, 2018 0415Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: April 27, 2018 2027Z

Date/Time of Expected End: April 28, 2018 0126Z

Length of Outage: 4 hours and 59 minutes

Details/Specifics of Change:Alaska2LEO Ground Station in Fairbanks, AK is not receiving data. The LUT vendor is investigating.

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

Contact Information for Further Information:USMCC Operationsusmcc@noaa.govat

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