Posted on Tuesday, May 30 2006 @ 16:03:20 CEST by LSDsmurf
Generally speaking GPS is accurate to around 10-15 metres in most situations, though a revised system known as WAAS (Wide Area Augmentation System) became available in 2000 which used a combination of special satellites and ground based stations to increase accuracy to between one and two metres. The European equivalent of the US WAAS system is known as EGNOS (European Geostationary Navigation Overlay System)
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