Updated 3:M-BMcMurdo Antenna is now operational. MCM REV 11555 (AOS 19:52Z) N20 SMD Data is being processed through IDPS.M-BM-B

Update 2:M-BMcMurdo Antenna ground equipment issues are still being investigated. TROLL will be substituted for McMurdo N20 SMD between 13:00Z - 19:00Z.M-B M-B

M-B

Update 1:M-BN20 McMurdo contacts will not be supported until further notice. The MC1 antenna is experiencing tracking problems. IDPS will continue to receive the delayed data on the following Svalbard contacts.

Date/Time Issued:M-BM-B Feb 10 2020 2021Z

Product(s) or Data Impacted:M-BAll N20 products

Date/Time of Initial Impact:M-BM-B Feb 10, 2020 0258z

Date/Time of Expected End:M-BM-B NA

Length of Outage:M-BNA

Details/Specifics of Change:M-BAt this time, no N20 RDRs are being received for McMurdo contacts, due to ground equipment issues. Engineering is currently investigating. However, the delayed data is being received on theM-Bsubsequent N20 Svalbard contact.

Contact Information for Further Information:M-BM-BESPCM-BOperations atM-BESPCOperations@noaa.govM-BatM-B301-817-3880

Web Site(s) for applicable information:M-B N/AM-BM-B

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