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April 5, 2014
about 10 years ago
No, I don't have any idea about these local setting. If you have any app note or some calibration technique for this , then please share.
We are trying to use Digital Pressure Sensor ( BMP085 ) in our project as an altimeter to measure height of an Antenna from the sea level.
I am supposed to get 1010.01 hPa of Air pressure so that the corresponding height would be something around 27m from the sea level , But the Pressure reading from the sensor is 1004.5 hPa (i.e. Altitude of 73.10 m) which is not correct according to my GPS Location.
So please suggest us any way to calibrate this pressure sensor for proper altitude, also mention ways to get faithful reading during seasonal or climatic changes.
No public wish lists :(