27GPS-ECompassGPS-ECompass can: Function as a compass. Receive GPS satellite signals to calculate the location of your device. Record GPS logs.When opening the application, you will be asked to turn on GPS if it is off.The icon in the status bar indicates GPS service is in use.The application has three pages as described later. Touch one of the threebuttons (Satellite Position, Electronic Compass, and Location Information) atthe left side of the screen to see the page.Satellite PositionThe Satellite Position page shows the positions of the overhead satellitesand their signal strength. It also indicates the on/off status of the SBAS andlogging functions.SBAS (satellite-based augmentation system) provides additional accuracy andreliability for the GPS devices. Ground stations are necessary to achieve thepurpose. The SBAS feature works where such stations exist. You can enablethe SBAS feature. (See “Getac Settings” in Chapter 7.)