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Instrument: ALTIMETERS
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Description
The altimeter is a 13.5 GHz near-nadir pointing radar which measures
the range to the surface of the ocean. The height measurement from
the altimeter to the ocean surface is useful in various oceanographic
applications. Determination of sea surface topography is useful for
marine gravity determinations, seafloor bathymetry estimations, and
dynamic circulation of the oceans.

In addition, wave height and wind speed can be measured by altimeters.
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