BIRDVIEW

NAVIGATION APPARATUS AND INSTRUMENTS, NAMELY, COMPASSES, NAVIGATION COMPUTERS, GYROS, GEOMAGNETIC SENSORS, VEHICLE-SPEED SENSORS BEACON RECEIVERS, GLOBAL POSITIONING SYSTEM RECEIVERS, MAP DATA MEMORY FOR TRACKING VEHICLES AND SHIPS; INDICATORS FOR MEASURING SPEED; TRANSDUCERS FOR USE WITH NAVIGATIONAL INSTRUMENTS; NAUTICAL MILEAGE COUNTER; NAVIGATIONAL DEPTH SOUNDERS; NAVIGATION COMPUTERS AND ELECTRONIC PATH CONTROL UNITS; COMPUTER PROGRAMS FOR GENERATING DIGITIZED MAPS FOR USE IN THE FIELD OF TRAFFIC INFORMATION AND TELECOMMUNICATIONS; COMPUTER SOFTWARE FOR GENERATION OF MAPS FROM A DATABASE