What is the Worldwide Reference System (WRS)?
The Worldwide Reference System (WRS) organizes Landsat imagery into a global grid, providing a consistent, reliable framework for locating, comparing, and analyzing data over time and across sensors.
WRS-1 was the first version of the grid, and it was used to collect imagery from Landsats 1, 2, and 3.
WRS-2 updated the original grid and is used by Landsats 4 through 9.
Landsat 10 is scheduled to launch in 2031, and will use WRS-3. Details about WRS-3 are being finalized and will be added to the reference pages listed below and on the Landsat 10 website when available.
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