The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
The majority of S-NPP products are available for ordering through CLASS website. These products are grouped under JPSS and S-NPP on the drop down product list. It is important to note the product/algorithm maturity levels from beginning dates to current dates by visiting the STAR JPSS Algorithm Maturity website at https://www.star.nesdis.noaa.gov/jpss/AlgorithmMaturity.php.
For further assistance please check out the STAR Science Documents website for JPSS Algorithm Theoretical Basis Documents (ATBD), Users Guides, Cal/Val plans, and much more. If you have any questions please email the CLASS Help Desk.
Attention Suomi NPP Users:
The most recent global NPP operational products are now available in daily tar files for quick and easy downloads at: ftp://ftp-npp.class.ngdc.noaa.gov/. Please see the NPP help page for instructions. Up to the most recent 85 days of data will be available for direct online access.
New tutorial on how to search and order data in CLASS! (04/27/15):
A tutorial for searching and ordering data through CLASS can be found here: CLASS Data Access Tutorial. The tutorial gives a step by step screen capture views of the searching and ordering process from registering with CLASS to checking on the status of your order. It also covers the various levels of access services offered from CLASS at this time. If you have any questions please email the CLASS Help Desk.