Update#2- Final Update: The vendor resolved AK1 communication problem by replacing the power supply.

Update #1: The LUT vendor is having a technician investigate the antenna subsystem and ACU further, after discovering a possible ACU network switch issue.

SARSAT Alaska 1 LEO Ground Stations- Offline

Date/Time Issued: July 08, 2018 0110Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: July 7, 2018 1149Z

Date/Time of Expected End: July 8, 2018 0025Z

Length of Outage: 12 hours and 36 minutes

Details/Specifics of Change: AK1LEO Ground Station is not operational. The problem is under investigation by the maintenance vendor following two consecutive missed passes.

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

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

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

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