Tripod Data Systems' full-featured new <A HREF="http://www.tdsway.com/press_room/press_database/press_release_archive/2004-11_TerraGuide">TDS TerraGuide navigation package</A> combines a TDS Recon rugged handheld computer and GPS to display full-color digital topographic maps and nautical charts and allow users to determine their location, plan routes and plot waypoints. The included software displays 3-D terrain views and lets users quickly pan and zoom on maps.