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Instrument: LRR : Laser Retro-Reflector
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The European Remote Sensing Satellites (ERS-1 and ERS-2) are equipped
with a Laser Retroreflector (LRR), a passive optical instrument
operating in the infra-red, to permit ranging of the satellite by the
use of Laser Tracking Stations, and therefore the accurate
determination of its height. These measurements allow:

- calibration of the Radar Altimeter altitude measurements with an
error of 10 cm
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Instrument Logistics
Instrument Owner: ESA

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