Official websites use .gov
A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS
A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.
Monthly Use of SPDF Data Services:
The following chart shows the steady growth in monthly usage of various SPDF data services in the last years. The statistics shown measure actual execution of data services
(i.e., plot / list / create / download / run) and not simple page hits.
Some pre-2001 FTP statistics (included under”Files Retrieved”) and GIFWalk statistics are not available.
SPDF Data Service Usage Chart (Click on chart for larger version)
SPDF-related Log Records and Statistics
Example Case Studies in the Use of SPDF Data Services, More Examples in SPDF Acknowledgement
