Replacing The ILS

摘要

The Wide-Area Augmentation System (WAAS) will provide ILS-like accuracy with GPS. Can it replace the familiar ground-based system on which we depend ? As most of us know by now, WAAS is not a name from the Netherlands; it's an acronym for the latest GPS enhancement, the Wide Area Augmentation System. The result is a more-accurate GPS signal—down to less than three meters. Think of it as GPS on steroids.