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Shuttle Radar Topography Mission


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(SRTM)

An international mission in February 2000 to obtain the most complete and accurate high-resolution digital topographic database of the Earth. NASA and the National Imagery and Mapping Agency led the project. The SRTM was launched aboard the space shuttle Endeavour and accomplished its mission during ten days of operation, covering 80% of the Earth's land mass. The mission used radar interferometry, two radar images taken from slightly different locations so these differences can be calculated to show surface elevation or change. The main radar bounced pulses off the Earth that were received by two antenna, one in the shuttle payload bay and a second extended 60 m out of the bay.

http://www.jpl.nasa.gov/srtm/ Regularly updated with images from the Shuttle Radar Topography Mission (SRTM) and synthetic views of the Earth created with data from the mission, this site has information about the SRTM, its radar instrument and radar interferometry, and its data products.

Subjects: Astronomy and Astrophysics.


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