Website: https://www.navtechgps.com/xnav550_gnss/ins/ Address: 5501 Backlick Road Suite 230 Springfield, VA 22151 Phone: 703-256-8900 Navtech GPS is proud to offer the xNAV line of inertial navigation systems. Designed especially for SWAP restricted applications, xNAV systems combine compact MEMS sensors with state-of-the art calibration techniques and advanced algorithms for exceptional performance in a small package. NavtechGPS also leads the way in GPS and GNSS training, offering a comprehensive list of courses taught by world-class instructors. We specialize in bringing any of our courses on-site to your location to save you time and money. For more information on our inertial navigation systems please contact us today.