Topic: GPS invalid on S-NPP spacecraft

 

Date/Time Issued: July 10, 2024  1638Z

 

Product(s) or Data Impacted: All S-NPP science Data Products

 

Date/Time of Initial Impact: July 09, 2024 2146Z

 

Date/Time of Expected End Time:   TBD

 

Length of Event: TBD

 

Details: Starting on July 09 at ~2146Z , the GPS receiver on the S-NPP spacecraft toggled to invalid causing the geolocation of all observed data to be inaccurate and out of the mission specifications. Engineering has started planning the execution of the reset of the GPS unit on the S-NPP spacecraft. The anticipated reset of the GPS unit is expected no earlier than July 12, 2024.

All PDA OPS subscriptions for all S-NPP science products will be disabled at 1630Z  on July 10, 2024.

S-NPP High Rate data (HRD) will be disabled on July 10 at 1743Z  for all science products.

The NOAA-21 and NOAA-20 satellites will continue to provide JPSS science data needs as the primary and secondary satellites, respectively.

 

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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