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Altimeter Series

graphic of 7 altimeters orbiting Earth
Published: April 3, 2019

Artist’s concept of seven altimeters orbiting Earth: Jason-CS/Sentinel-6B, SWOT, Sentinel-6A, Jason 3, TOPEX/Poseidon, Jason 1 and OSTM/Jason 2.

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An artist’s concept of the SWOT spacecraft (January 2012).
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An artist’s concept of the SWOT spacecraft (January 2012).
SWOT Spacecraft (Artist Concept)
Teams from NASA's Jet Propulsion Laboratory in Southern California and the March Air Reserve Base in Riverside County, California, loaded the scientific payload for the SWOT Earth-observing satelli...
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Team members pushing the SWOT scientific payload onto an airplane for transport to France.
SWOT's scientific payload loading into a U.S. Air Force C-17 airplane for transport to Cannes, France.
Visiting Scout uses a color-coded, calibrated stick to determine "sea surface topography" within a wooden box while his sister records his results by placing stickers on a card.
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Visiting Scout uses a color-coded, calibrated stick to determine "sea surface topography"
Probing the Depths of "SWOT in a Box"
Canada is home to more than 30,000 lakes including these water bodies in Northern Alberta. The abundance of surface freshwater in Canada makes it a prime target for AirSWOT investigations.
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Northern Alberta Lakes, Canada
Northern Alberta Lakes, Canada
A photograph of the Varzea Forest area of Brazil (3 of 4).
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A photograph of the Varzea Forest area of Brazil (3 of 4).
Varzea Forest, Brazil
The SWOT satellite observatory is being jointly built by NASA and Centre National D’Études Spatiales (CNES).
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NASA logo
NASA
Arctic Lakes
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Arctic Lakes
Arctic Lakes
SWOT Applications Lead, Margaret Srinivasan, helps young visitors match data user types - from coastal safety officers to farmers - with pictures representing SWOT applications.
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SWOT Matching Card Game
SWOT Matching Card Game
NASA has selected Space Exploration Technologies (SpaceX) of Hawthorne, California, to provide launch services for SWOT.
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SpaceX Launch Vehicle
SpaceX Launch Vehicle
Arctic
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Arctic
Arctic
Floodplain Channel in the Amazon
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Floodplain Channel in the Amazon
Floodplain Channel in the Amazon
A diagram illustrating the swaths of data that SWOT will collect. 
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A diagram illustrating the swaths of data that SWOT will collect.
Diagram of SWOT Data Collection
The Canadian Space Agency will contribute to the SWOT Mission by providing a high-power assembly component for SWOT’s Ka-band Radar Interferometer (KaRIn).
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CSA logo
Canadian Space Agency
The U.K. Space Agency will provide a part of the radar payload for SWOT.
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U.K Space Agency logo
United Kingdom Space Agency
NASA’s Blue Marble
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NASA’s Blue Marble
NASA's Blue Marble
An artist’s concept of the SWOT spacecraft (March 2012).
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An artist’s concept of the SWOT spacecraft (March 2012).
SWOT Spacecraft (Artist Concept)
SWOT technologies - advanced wide-swath technology, ocean and surface water topography measurements, and high-resolution products - will support such societal needs as dams, shipping, and surface w...
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SWOT Technologies and Societal Needs
SWOT Technologies and Societal Needs
This collaborative mission poster, designed by CNES (French Space Agency), shows the Surface Water and Ocean Topography (SWOT) satellite soaring over an abstract of a water molecule.
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This collaborative mission poster, designed by CNES (French Space Agency), shows the Surface Water and Ocean Topography (SWOT) satellite soaring over an abstract of a water molecule.
Surface Water and Ocean Topography (SWOT) Mission Poster
An alternate logo for the Surface Water Ocean Topography (SWOT) Mission.
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An alternate logo for the Surface Water Ocean Topography (SWOT) Mission.
SWOT Mission Logo with Full Text
Highly visible in their red shirts, SWOT project team members - including Project Manager Parag Vaze at left - interact with the public during the NASA Jet Propulsion Laboratory (JPL) "Open House" ...
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SWOT Exhibit at JPL Open House
SWOT Exhibit at JPL Open House
An early rendering of the SWOT spacecraft (February 2011).
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An early rendering of the SWOT spacecraft (February 2011).
SWOT Spacecraft (Artist Concept)
A banner explaining the purpose of the SWOT mission, created and displayed during testing.
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A banner explaining the purpose of the SWOT mission, created and displayed during testing.
Understanding Surface Water Characteristics and Ocean Dynamics
Part of the Surface Water and Ocean Topography (SWOT) satellite's science instrument payload sits in a clean room at NASA's Jet Propulsion Laboratory during assembly.  
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SWOT's science instrument payload sitting in a clean room during assembly.
Part of the SWOT satellite's science instrument payload in a clean room at NASA's Jet Propulsion Laboratory.
SWOT will provide NASA’s first global survey of Earth’s surface water.
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SWOT animated gif
SWOT (Animated Gif)
Lake Calado, Amazon
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Lake Calado, Amazon
Lake Calado, Amazon