Topic: Intermittent delays expected in NOAA-20 and NOAA-21 Science Mission Data

Date/Time Issued: September 13, 2024 1849Z

Product(s) or Data Impacted: All Science Mission Data from NOAA-20 and NOAA-21 descending (nighttime) passes

Date/Time Initial Impact: Oct 07, 2024 0000Z J/Day 281

Date/Time of Expected End: Nov 2, 2024 0000Z J/Day 327

Length of Event: 26 days

Details/Specifics of Change: Between Oct. 7, 2024, and Nov. 1, 2024, about 4 times per day, Science MIssion Data (SMD) from the descending (nighttime) passes of the NOAA-20 and NOAA-21 satellites may incur delays of about 50 minutes, due to maintenance at the McMurdo (Antarctica) ground station. An update will be made to this notice when further SMD delay dates and times are available.

This will NOT have any effect on

SMD from ascending (daytime) passes of NOAA-20 and NOAA-21;
Any SMD from the S-NPP satellite; or
Any High-Rate Data (HRD) / Direct Broadcast.

User feedback and questions should be directed to John Evans, LEO Data Operations Manager, NESDIS/OSPO/SPSD <john.d.evans@noaa.gov>

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880

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