Topic: NOAA-21 Drag Make-Up Maneuver 006 (DMU) Scheduled for September 11, 2024

Date/Time Issued: September 9, 2024 1947Z

Product(s) or Data Impacted: All NOAA-21 Sensor Data

Date/Time of Initial Impact: September 11, 2024

Date/Time of Expected End: September 11, 2024

Length of Outage: See Details.

Details/specifics of Change: On September 11, 2024 16:36:00.00z
NOAA-21 will perform a 19.54 second propulsive Drag Make-Up Maneuver (DMU)
to maintain the Repeating Ground Track box.

The following observatory systems will be affected on September 11, 2024:

16:20:50Z - 16:45:22z OMPS in Decon mode, Science data will not be available

16:30:51Z - 16:45:56z HRD will be off, data for direct broadcast users will be unavailable

16:30:53Z - 16:44:20z N21 pointing off-nadir, collected data during that time period may be impacted and not disseminated

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

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

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