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Description of Altitude App

This altimeter delivers the altitude of your current position either from the device (GPS) or from the ASTER digital elevation model (with a horizontal accuracy of 30m). Depending on your current position and your device one of the two methods is more correct. Using GPS on the device is known for a large error in the altitude for difficult receiver conditions it's not available for network based positioning at all. Therefore this altimeter works on iPods and iPhones without a GPS sensor.

Additional Information About Altitude App

No student data collected- approved for use