Update#1: The transition of JPSS operations from A-String to C-String has been completed as of  17:12z on Wednesday, June 4th. Note that even though the main transition of operations has been completed, the verification of access to the IDMZ will be performed by external users on Thursday, June 5th.



Topic: JPSS Transition of Operations from A-String to C-String on June 4, 2025

Date/Time Issued: June 4, 2025 1735Z

Product(s) or Data Impacted:  Real-time Data and End User Data Products (Latency). For Mission Partners and external users, please note that the JSH feeds for FNMOC and SDS/EDOS will remain on JSHA0AS.

  • Data Sync planned to be turned Off on June 4, 2025 @13:08:00z
  • Data Sync planned to be turned On on June 4, 2025 @16:02:00z

Date/Time of Initial Impact (Primary):  June 4, 2025   14:38:00z (JDAY 155)

Date/Time of Expected End (Primary):  June 4, 2025   16:02:00z (JDAY 155)
Date/Time of Initial Impact (Secondary): June 4, 2025 16:20:00z (JDAY 155)
Date/Time of Expected End (Secondary): June 4, 2025 17:45:00z (JDAY 155)
Date/Time of Initial Impact (Tertiary):  June 4, 2025   18:02:00z (JDAY 155)
Date/Time of Expected End (Tertiary):  June 4, 2025   19:28:00z (JDAY 155)

 

 Back Orbit Window #1 

6/4/2025 14:38:00

6/4/2025 16:02:00

Transition Back Orbit

6/4/2025 14:50:54

6/4/2025 15:04:20

NPP

70487

SVL

6/4/2025 14:59:33

6/4/2025 15:11:36

GCOM

68996

SVL

6/4/2025 15:13:32

6/4/2025 15:28:26

J02

13298

MCM

6/4/2025 15:15:16

6/4/2025 15:25:15

J01

39091

SVL

6/4/2025 16:03:57

6/4/2025 16:16:45

J01

39091

MCM

 

 Back Orbit Window #2 

6/4/2025 16:20:00

6/4/2025 17:45:00

Back up Transition Back  Orbit #2

6/4/2025 16:35:04

6/4/2025 16:46:10

NPP

70488

SVL

6/4/2025 16:40:17

6/4/2025 16:50:52

GCOM

68997

SVL

6/4/2025 16:56:24

6/4/2025 17:09:55

J02

13299

MCM

6/4/2025 16:59:01

6/4/2025 17:07:05

J01

39092

SVL

6/4/2025 17:47:20

6/4/2025 17:58:22

J01

39092

MCM

 

Back Orbit Window #3 

6/4/2025 18:02:00

6/4/2025 19:28:00

Back up Transition Back Orbit #3

6/4/2025 18:17:53

6/4/2025 18:28:18

NPP

70489

SVL

6/4/2025 18:20:59

6/4/2025 18:30:51

GCOM

68998

SVL

6/4/2025 18:39:53

6/4/2025 18:51:59

J02

13300

MCM

6/4/2025 18:42:24

6/4/2025 18:49:54

J01

39093

SVL

6/4/2025 19:31:58

6/4/2025 19:40:13

J01

39093

MCM


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