Update #1: The N21 Transition to A-String was successfully completed at 1912Z.  N21 is now operating on the A-String.


Topic: Transition of N21 Operations from B-String to A-String on February 28th.

 

Date/Time Issued: February 28, 2023 1941Z

 

Product(s) or Data Impacted:  Real-time Data and End User Data Products (Latency)


Date/Time of Initial Impact (Primary):  February 28, 2023 1601Z (JDAY 059)


Date/Time of Expected End (Primary): February 28, 2023 1726Z (JDAY 059)


Date/Time of Initial Impact (Secondary):  February 28, 2023 1743Z (JDAY 059)


Date/Time of Expected End (Secondary): February 28, 2023 1909Z (JDAY 059)


Date/Time of Initial Impact (Tertiary):  February 28, 2023 1926Z (JDAY 059)


Date/Time of Expected End (Tertiary): February 28, 2023 2050Z (JDAY 059)


Back Orbit #1

Start Time

Stop Time

S/C

Orbit

Station

2/28/2023 16:12:55

2/28/2023 16:25:05

J02

1566

SVL

2/28/2023 16:16:56

2/28/2023 16:32:50

OPS51

 

MCM

2/28/2023 16:20:17

2/28/2023 16:36:00

OPS53

 

MCM

2/28/2023 16:37:49

2/28/2023 16:50:05

J01

27358

MCM

2/28/2023 16:41:01

2/28/2023 16:48:10

NPP

58755

SVL

2/28/2023 16:58:31

2/28/2023 17:08:52

GCOM

57362

SVL

2/28/2023 17:09:36

2/28/2023 17:21:30

J02

   1566

TR

Back Orbit #2

Start Time

Stop Time

S/C

Orbit

Station

2/28/2023 17:56:24

2/28/2023 18:07:34

J02

1567

SVL

2/28/2023 17:58:04

2/28/2023 18:13:50

OPS51

 

MCM

2/28/2023 18:02:46

2/28/2023 18:17:33

OPS53

 

MCM

2/28/2023 18:21:48

2/28/2023 18:31:54

J01

27359

MCM

2/28/2023 18:24:25

2/28/2023 18:34:50

NPP

58756

SVL

2/28/2023 18:39:08

2/28/2023 18:48:59

GCOM

57363

SVL

2/28/2023 18:47:30

2/28/2023 19:00:43

J02

1567

TR

 

Back Orbit #3

Start Time

Stop Time

S/C

Orbit

Station

2/28/2023 19:39:14

2/28/2023 19:50:14

J02

1568

SVL

2/28/2023 19:40:04

2/28/2023 19:55:10

OPS51

 

MCM

2/28/2023 19:46:12

2/28/2023 19:59:31

OPS53

 

MCM

2/28/2023 20:05:56

2/28/2023 20:14:02

J01

27360

MCM

2/28/2023 20:07:09

2/28/2023 20:18:15

NPP

58757

SVL

2/28/2023 20:19:04

2/28/2023 20:29:43

GCOM

57364

SVL

2/28/2023 20:26:12

2/28/2023 20:40:08

J02

1568

TR

 

 

Length of Outage:   Approximately 1.5 - 2 hours per transition opportunity

 

Details/Specifics of Change:  The purpose of this notice is to inform multi-mission segments of the plan to move the JPSS-2 (N21) Common Ground System, Command, Control, and Communications operations for the JPSS constellation from the B string to the A string on February 28th, 2023. A backup date for this activity has been scheduled for March 2nd, 2023 in the event the first attempt needs to be waived.  NPP, N20, N21, DMSP and GCOM-W1 missions may experience data latency during this transition. 


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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