Android: How to use SensorManager.getAltitude(float p0, float p)?

Question

I found an alternative way to obtain altitude by using SensorManager but it requires two paramaters.

public static float  getAltitude  (float p0, float p)

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Answer 1

The current barometric air pressure at sea level (QNH) is the value after the "Q" in the metar field (in hPa - hecto-Pascals). In this case 1000 hPa.

More info on TAF and METAR can be found on wikipedia.

http://en.wikipedia.org/wiki/METAR

http://en.wikipedia.org/wiki/Terminal_aerodrome_forecast