DeLorme announced the availability of GeoSpider, a software tool for surveyors, engineers and scientists featuring a high performance 3D Network Adjustment engine capable of performing terrestrial, GPS-only or combined GPS and terrestrial adjustments on networks of virtually any size observed anywhere in the world. GeoSpider includes an intuitive and flexible Windows interface for entering, editing and analyzing observations. Data can be imported in a variety of formats, including text, TDS, OBS, and NGS Blue Book files. Export formats include simple text, lat/lon text, Plane Coordinate CSV, DXF and Geodetic Horizon files. (DeLorme, Yarmouth, Maine)