The satellites of the Spot Series are optical earth observation satellites. Spot 5 was started in 2002. The high resolution stereoscope HRS, with which digital ground model for applications for 3D-card generation can be generated, is located on board. Spot 5 supplies images with a resolution of 2.5 meters. The Spot Series is based on multi-purpose satellite platforms, which was developed for the French Space Agency CNES. These were also used for other European earth observation satellites such as for ERS-1 and ERS-2, Envisat and MetOp and the military observation satellites Helios.
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