The integration of mobile GPS with other smartphone sensors further enhances its capabilities. Accelerometers and gyroscopes contribute to Dead Reckoning, which estimates location when GPS signals are weak (e.g., in tunnels). Barometers can provide more accurate altitude information, useful for distinguishing between floors in a building. Magnetometers act as digital compasses, orient... https://mobileattendance.com.sg/mobile-with-gps/