(Credit: Seer Technology) Ahoy, GPS -stranded motorist. Stop banging the dashboard, and consider this timely reincarnation of dead reckoning to help you find your way out of “GPS-denied environments,” or at least alert others to where you can be found. Seer Technology is offering a miniature, self-contained, electronic navigation unit called NaviSeer that mixes GPS and DR in a complex gumbo of hardware and proprietary algorithms to deliver user location in real time. It does this by blending the output from three gyros, three accelerometers (one at each axis,) a magnetometer , and a baro altimeter, and then running it through a Kalman filter. The result: coordinates accurate to within less than a yard, according to Seer. And no, it “does not require sensors to be worn on the legs or feet.” … Originally posted at Military Tech

Read more here:Portable unit kicks in when GPS fades

Tags: computers, garmin, gps, gps information, GPS SYSTEM, gps-brand, portable, TomTom, touch-screen, traffic, WINDOWS