NavCom Technology Inc., Redondo Beach, Calif. (, has an agreement with Navtech Seminars & GPS Supply Co., Alexandria, Va. (, to distribute NavCom's line of StarFire dual-frequency GPS receivers throughout North America. Navtech integrates components from a variety of suppliers to provide cost-effective GPS systems to clients and also offers technical courses on GPS operations and applications. Navtech has added NavCom's GPS experts to their list of seminar instructors.