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*CORRECTION: *SUBJECT LINE, AND BODY OF NOTIFICATION

*TOPIC:*  NOAA-20 DRAG MAKE-UP MANEUVER (DMU) 012 SCHEDULED FOR JUNE 26,
2024

*DATE/TIME ISSUED:* JUNE 24, 2024 1845Z

*PRODUCT(S) OR DATA IMPACTED: * ALL NOAA-20 SENSOR DATA

*DATE/TIME OF INITIAL IMPACT:* JUNE 26, 2024 1609Z

*DATE/TIME OF EXPECTED END: *JUNE 26, 2024 1816Z

*LENGTH OF OUTAGE: * SEE DETAILS.

*DETAILS/SPECIFICS OF CHANGE:* ON JUNE 26, 2024 16:35:00Z,

N20 WILL PERFORM A 5.0 SECOND PROPULSIVE DRAG MAKEUP MANEUVER (DMU)
TO MAINTAIN MEAN LOCAL TIME OF THE ASCENDING NODE WHILE CONTROLLING THE
REPEATING GROUND TRACK BOX.

THE FOLLOWING OBSERVATORY SYSTEMS WILL BE AFFECTED ON JUNE 26, 2024:

16:09:32Z     18:16:40Z: CERES IN CONTAM-SAFE MODE, SCIENCE DATA WILL NOT BE
AVAILABLE

16:20:00Z     16:45:10Z: OMPS IN DECON MODE, SCIENCE DATA WILL NOT BE
AVAILABLE

16:24:00Z - 16:47:10Z: HRD WILL BE OFF, DATA FOR DIRECT BROADCAST USERS
WILL BE UNAVAILABLE

16:29:00Z     16:37:10Z: N20 IN CONTROL FRAME 2 (DMU) (DELTA-V CONTROL FRAME)

16:29:00Z     16:42:10Z: N20 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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