p3 v.s contstant barometer altitude

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    Professional P3 shows constant vertical acceleration/deceleration whilst on the ground

    Hi everyone. Took my P3 pro out for a flight today but it wouldn't hover after auto take off. Noticed that the Vertical speed and the altitude was constantly moving- negative or positive. I re-calibrated the compass and went through IMU recalibration - made no difference. As soon as the P3 is...