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July 30, 2018

Guide to Digital Imagery Spatial Resolution

Spatial Resolution is more than simply Ground Sample Distance (GSD).  This guide, prepared for the USGS by Innovatve Imaging and Research Corporation (I2R)

February 27, 2018

Landsat's Calibration and Validation

Engineers and scientists from both Landsat and Sentinel missions are working together to calibrate observation data and validate its quality to improve the science using these resources.

December 6, 2017

Every Pixel - Landsat's Sensors

On board Landsat 8 are two sensors that capture data about earth's surface. Here is an explanation of the instruments that capture every pixel.

December 6, 2017

Every Pixel - Processing Data

Once the ground stations receive data from Landsat, there's still a lot of processing to make every pixel usable. Here's an overview of some of that work.