An official website of the United States government
Here's how you know
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.
The Landsat 7 Gap Phase Statistic (GPS) errors reported in the January 21, 2015 Headline have been corrected, and all data acquired on January 19, 2015 (DOY 19) forward have been reprocessed with valid GPS values.