Alert Administrative Message
Issued by NWS
Issued by NWS
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837 NOUS72 KNES 211519 ADMNES *TOPIC:* NOAA-21 DRAG MAKE-UP MANEUVER (DMU) 005 SCHEDULED FOR MAY 22, 2024 *DATE/TIME ISSUED:* MAY 21, 2024 1512Z *PRODUCT(S) OR DATA IMPACTED:* ALL NOAA-21 SENSOR DATA *DATE/TIME OF INITIAL IMPACT: *MAY 22, 2024 1623Z *DATE/TIME OF EXPECTED END: * MAY 22, 2024 1647Z *LENGTH OF OUTAGE:* SEE DETAILS. *DETAILS/SPECIFICS OF CHANGE:* ON MAY 22, 2024 AT 16:39:00Z, NOAA-21 WILL PERFORM A 16.0 SECOND PROPULSIVE DRAG MAKE-UP MANEUVER (DMU) TO MAINTAIN THE REPEATING GROUND TRACK BOX. THE FOLLOWING OBSERVATORY SYSTEMS WILL BE AFFECTED ON MAY 22, 2024: *16:23:50Z - 16:48:21Z* - OMPS IN DECON MODE, SCIENCE DATA WILL NOT BE AVAILABLE *16:33:51**Z - 16:48:56Z* - HRD WILL BE OFF, DATA FOR DIRECT BROADCAST USERS WILL BE UNAVAILABLE *16:33:53Z - 16:39:16 - *N21 IN CONTROL FRAME 2 (DMU) ( DELTA-V CONTROL FRAME) *16:33:53Z** - 16:47:20Z - *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 OR AT 301-817-3880 *WEB SITE(S) FOR APPLICABLE INFORMATION:* N/A THIS MESSAGE WAS SENT TO ESPC.NOTIFICATION@NOAA.GOV. YOU HAVE BEEN SENT THIS AND OTHER NOTIFICATIONS BECAUSE YOU HAVE OPTED IN TO RECEIVE THEM. IF FOR ANY REASON, YOU WISH TO UNSUBSCRIBE, PLEASE CONTACT THE ESPC HELP DESK AT ESPCOPERATIONS@NOAA.GOV OR (301) 817-3880. PLEASE NOTE: IT MAY TAKE UP TO TWO BUSINESS DAYS TO PROCESS YOUR UNSUBSCRIBE REQUEST. =