Update #1 (Final Update): The LUT Vendor found that a possible Antenna Control Unit (ACU) power issue existed. The Location Processor server was rebooted in order to reinitialize ACU connectivity and Hawaii 1 returned to normal operations.

Topic: SARSAT Hawaii 1 Earth Orbit (LEO) Ground Station Offline

Date/Time Issued: March 17, 2019 2351Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: March 17, 2019 2018Z

Date/Time of Expected End: March 17, 2019 2155Z

Length of Outage: 1 hour and 37 minutes

Details/Specifics of Change: Hawaii 1 LEO Ground Station in Wahiawa, HI is not receiving pass solution data.The LUT vendor has been contacted.

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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