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Federal
Declassified Satellite Imagery 2 (2002) recent views
National Aeronautics and Space Administration —
Declassified satellite images provide an important worldwide record of land-surface change. With the success of the first release of classified satellite photography... -
Federal
CEOS Cal Val Test Site - Ivanpah Playa, USA - Instrumented Site NGDA recent views
National Aeronautics and Space Administration —
On the background of these requirements for sensor calibration, intercalibration and product validation, the subgroup on Calibration and Validation of the Committee... -
Federal
Global Land Survey 1975 recent views
National Aeronautics and Space Administration —
Global Land Survey 1975 images were acquired from 1972 to 1987 by Landsat 1-5 MSS. Landsat 4-5 data were used to fill gaps in the Landsat 1-3 data. The U.S.... -
Federal
Advanced Solid-state Array Spectroradiometer (ASAS) recent views
National Aeronautics and Space Administration —
The Advanced Solid-state Array Spectroradiometer (ASAS) data collection contains data collected by the ASAS sensor flown aboard NASA aircraft. A fundamental use of... -
Federal
National High Altitude Photography recent views
National Aeronautics and Space Administration —
The National High Altitude Photography (NHAP) program, which was operated from 1980 - 1989, was coordinated by the U.S. Geological Survey as an interagency project to... -
Federal
CEOS Cal Val Test Site - Mauritania 2 - Pseudo-Invariant Calibration Site (PICS) NGDA recent views
National Aeronautics and Space Administration —
On the background of these requirements for sensor calibration, intercalibration and product validation, the subgroup on Calibration and Validation of the Committee... -
Federal
Global Land Survey 2005 recent views
National Aeronautics and Space Administration —
Global Land Survey 2005 images were acquired from 2003 - 2008 by Landsat 7 ETM+, Landsat 5 Thematic Mapper (TM) and EO-1 ALI. The U.S. Geological Survey (USGS) and... -
Federal
CEOS Cal Val Test Site - Mauritania 1 - Pseudo-Invariant Calibration Site (PICS) NGDA recent views
National Aeronautics and Space Administration —
On the background of these requirements for sensor calibration, intercalibration and product validation, the subgroup on Calibration and Validation of the Committee...