Topic:  CLASS Website and Dissemination URL changes

Date/Time Issued:  March 22, 2024 1757Z

Product(s) or Data Impacted: N/A

Date/Time of Initial Impact: March 27, 2024 2000 UTC

Date/Time of Expected End: N/A

Length of Outage:  N/A

Details/Specifics of Change: 

New dissemination URLS (ftp and https) shown below have been activated and are available to users. The legacy dissemination URLs will be discontinued on March 27, 2024, after which date only the new URLs will work. Subscribers should have received an email to make the appropriate changes to their scripts as soon as possible. Users who are retrieving the daily JPSS tar files from ftp-jpss must act quickly to continue receiving the data on the new URL. One other note, the new ftp login user id will change from "anonymous" to "ftp" followed by any set of password characters defined by the user in accordance with the transfer rules established within the AWS Transfer Family.

Also, the CLASS website URL will change after its promotion on March 27, 2024. 

Current CLASS website links

New CLASS website links (will redirect to

Redirects from to will be in place for at least 30 days. 

Current data dissemination ftp links 

New data  dissemination ftp links (JPSS TAR files) (Case sensitive)

Current data  dissemination https links 

New data  dissemination https links (JPSS TAR files) (Case sensitive)

If you have any questions or need assistance please submit an email to CLASS Help Desk

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