ESA's gravity field mission GOCE and beyond
ESA's gravity field mission GOCE and beyond
ESA's gravity field mission GOCE and beyond
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Measurement Approach<strong>GOCE</strong> combines satellite gradiometry <strong>and</strong>high-low satellite-to-satellite tracking in alow Earth orbit of ± 250km altitude, withunique continuous operation of Drag-FreeAttitude Control to combat the effects ofair dragEGM96 gradients; Mean value removed• Electrostatic Gravity Gradiometer(EGG):Measures the components of the<strong>gravity</strong> gradient tensor in thegradiometer reference frame within ab<strong>and</strong>width of 5-100 mHz• Satellite-to-Satellite TrackingInstrument (SSTI):Geodetic-quality GPS receiver allowsorbit reconstitution with an accuracy of~1 cm in all directions <strong>and</strong> recovery oflower order harmonicsIV Hotine-Marussi Symposium, Wuhan 29 May - 2 June 2006
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