Hi guys i have purchased a P3A yeah i know its a pretty old unit but still a lot of them about and still hold value anyways i got it charged it took off noticed a compass error ive had the P3S before flew for hours at same location so landed it calibrated again sent it up same error code so next day i tried a new location (a field which is miles and miles long with bothing that could interfere with it i noticed when i fly north it is absolutely perfect can fly as far as i want and as high as i want but if i turn the drone say east south or west i get the error i have done a IMU calibrate seems all good and compass calibrate can anyone please help or suggest somthing that it could be thank you.