Quarterdeck corp. is planninga series of majorupgradestoitsweb-compasssearchengine--integratingadvancedagentandfilteringtechnologies--in an attempt to improve the relevanceofsearches.
But most are held in wilderness areas and require competitors to find a series of checkpoints using only a compass, an altimeter and a topographic map.
The Oregon series has a built-in 3-axis electronic compass with accelerometer tilt compensation, which shows where users are heading even when they are standing still, or not holding it level.