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A new algorithm for the GPS satellite User Range Accuracy (URA) integrity monitor that incorporates the satellite ranging measurements taken at ground monitor stations, aided by the crosslink ranging measurements taken between the GPS satellites, is presented. The new algorithm provides improved performance and eliminates the need for a key assumption of a previous algorithm that used ground and crosslink...
New flight deck-based applications of Automatic Dependent Surveillance-Broadcast (ADS-B) offer the potential to meet improved critical safety and economic targets for airport surface operations. Specifically, standards for ADS-B applications have been developed [1] to reduce and prevent runway collisions between aircraft on the airport surface using flight deck equipment. Such applications require...
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