Update #1: The McMurdo Orbitography Beacon has been replaced with its secondary beacon and is transmitting successfully.

Topic: SARSAT McMurdo Orbitography Beacon Offline

Date/Time Issued: February 18, 2018 1539Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: February 17, 2018 1611Z

Date/Time of Expected End: February 18. 2018 1508Z

Length of Outage: 23 hours and 58 minutes

Details/Specifics of Change: The McMurdo Orbitography Beacon has not been detected since 1611Z. The Technician is investigating this issue.

Impact: Medium-McMurdo Orbitography Beacon not available to monitor Doppler location accuracy. Impact is minimized by the use of other available beacons.

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

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

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