Update #3: The implementation date has moved from January 27, 2025 to February 18, 2025. 


Update #2: The implementation date has been rescheduled from July 1, 2024 to January 27, 2025.


Update #1: This update is intended for clarification as well as an update to the expected implementation date.

In January 2025, operational distribution of VIIRS SDR Imagery Ellipsoid geolocation will be reduced to a single satellite:

No changes to the following VIIRS Geolocation for any of the three JPSS Spacecraft:

Product (s) or data impacted: 

Product (s) to be used:



Topic: JPSS Ellipsoid Geolocation Product Reduction

 

Date/Time Issued:  December 18, 2024 1957Z

 

Product(s) or Data Impacted: S-NPP, NOAA-20, NOAA-21, VIIRS-IMG-GEO, VIIRS-MOD-GEO, VIIRS-IMG-GEO-TC, VIIRS-MOD-GEO-TC

 

Date/Time of Initial Impact: January 27, 2025 TBD UTC

 

Date/Time of Expected End: N/A

 

Length of Outage: N/A

 

Details/Specifics:


All S-NPP, JPSS-1, JPSS-2 VIIRS Imagery Ellipsoid geolocation will be discontinued, and the JPSS-1, JPSS-2 VIIRS Moderate Ellipsoid geolocation will be discontinued, leaving only the S-NPP VIIRS Moderate Ellipsoid geolocation available. Downstream users are directed to use the S-NPP, JPSS-1, and JPSS-2 VIIRS Imagery and Moderate TC geolocation.


Spacecraft

Old product(s) to be terminated

Product(s) to be used 

S-NPP

VIIRS-IMG-GEO, VIIRS-MOD-GEO

VIIRS-IMG-GEO-TC, VIIRS-MOD-GEO-TC

NOAA-20

VIIRS-IMG-GEO, VIIRS-MOD-GEO

VIIRS-IMG-GEO-TC, VIIRS-MOD-GEO-TC

NOAA-21

VIIRS-IMG-GEO, VIIRS-MOD-GEO

VIIRS-IMG-GEO-TC, VIIRS-MOD-GEO-TC



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