Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
W
Problem solved: the air pressure is calculated the the altitude of 0m, when the pressure is measured for example in the alps ( as i did) in 800m height, it‘ s signifikant lower.
@ajb2k3 thanks vor the tip, i just skiing und will try is next week! Thanks!!!