विवरण accurate altitude measurement

Pressure Altitude measures height accurately it is an animated real-time elevation meter. With the most common calculation method of measuring altitude given by GPS Satellite based altitude or location based elevation from the United States Geologic Survey and NASA's Shuttle Radar Topography Mission. However for using USGS data you must be in United States, Canada, and Mexico.
If your android phone have a barometer sensor then you can also obtain pressure altitude, easily converted to true altitude.
Features and uses
* Great for skiing, hiking, mountain climbing, boating, marine navigation and anytime you are curious about your elevation!
* This altimeter is GPS based app that works online and offline

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