Wind estimator tuning

Hello. The documentation says that it needs to tune wind estimator in position mode but readme.md laying closer to mc_wind_estimator_tuning.py says that it needs to tune wind estimator in altitude mode when it is no windy. What way is right? I have tried both methods and I’ve got different coefficients. In position mode I’ve got the same results when it was windy and not. BCOEF_X=0,BCOEF_Y=0,MCOEF=0.1918. In altitude mode I’ve got BCOEF_X=146.1,BCOEF_Y=0,MCOEF=0.1698 at windy weather (about 5 m/s). Can both BCOEF be null?