{TAIL ~ The device} in accordance 1, characterized in that the indicating range for speed of change in {HEAD ~ barometric pressure} is essentially between 5 and +5 hPa/h 
{ TAIL ~ The device } in accordance 1 , characterized in that the indicating range for speed of change in { HEAD ~ barometric pressure } is essentially between 5 and +5 hPa / h
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH