Correction: See "Details/Specifics of Change:"

Topic: SMD Latency at McMurdo due to Black Island

Date/Time Issued: September 23, 2020 2345Z

Product(s) or Data Impacted: N20 Products

Date/Time of Initial Impact: September 23, 2020 18:15:00z

Date/Time of Expected End: September 24 , 2020 13:00:00z

Length of Outage: Approximately 13 hours

Details/Specifics of Change: SMD data out of McMurdo has been very slow, causing a backlog on the JSH during SVL contacts due to the Black Island network issue. To mitigate this until the day shift comes in, all N20 McMurdo contacts (total of 8) will be deleted from the CCS between 9/24 00:00z to 9/24 12:00z. The first McMurdo contact attempt on 9/24 will be at 13:38z (9:38am local EST).

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