Subject: SARSAT Outage/Anomaly - Update #1 Alaska 2 LEO Ground This is a multi-part message in MIME format. --Boundary_(ID_nrSuQt+Yu/UDLblYnQ9n0w) Content-type: text/plain; charset=utf-8; format=flowed Content-transfer-encoding: 7BIT *Update#1 - Final Update:* Vendor maintenance expressed that Alaska 2 lost communications between the Front Processor (FP) and Location Processor (LP). Both FP and the LP were rebooted, and service returned to normal. *Topic:* SARSAT Alaska 2 Low Earth Orbit (LEO) Ground Station Offline *Date/Time Issued: * February 6, 2018 0635Z *Product(s) or Data Impacted:* SARSAT alert data *Date/Time of Initial Impact:*February 6, 2018 0211Z *Date/Time of Expected End: *February 6, 2018 0401Z *Length of Outage: *1 Hour and 50 minutes *Details/Specifics of Change: *Alaska 2 LEO Ground Station in Fairbanks, Alaska 2 is not receiving pass solution data. The LUT Vendor is investigating this issue. *Impact:*Minor-Dual satellite tracking capability lost for northernmost Ground Station. Distress alert detection/reporting timeliness affected. *Contact Information for Further Information: *USMCC Operations usmcc@noaa.gov at 301-817-4576 *Web Site(s) for applicable information:* N/A --Boundary_(ID_nrSuQt+Yu/UDLblYnQ9n0w) Content-type: text/html; charset=utf-8 Content-transfer-encoding: 8BIT

Update#1 - Final Update: Vendor maintenance expressed that Alaska 2 lost communications between the Front Processor (FP) and Location Processor (LP). Both FP and the LP were rebooted, and service returned to normal.

Topic: SARSAT Alaska 2 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued: February 6, 2018 0635Z

Product(s) or Data Impacted: SARSAT alert data

Date/Time of Initial Impact: February 6, 2018 0211Z

Date/Time of Expected End: February 6, 2018 0401Z

Length of Outage: 1 Hour and 50 minutes

Details/Specifics of Change: Alaska 2 LEO Ground Station in Fairbanks, Alaska 2 is not receiving pass solution data. The LUT Vendor is investigating this issue.

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

Contact Information for Further Information: USMCC Operations usmcc@noaa.gov at
301-817-4576

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

--Boundary_(ID_nrSuQt+Yu/UDLblYnQ9n0w)--