Airmar LB100 WeatherStation Technical Manual - Mda
AIRMAR
®
PB100 WeatherStation™ Technical Manual revision 1.009
11
NMEA 0183 TRANSMITTED SENTENCE
$WI
MDA
Summary
NMEA 0183 standard Meteorological Composite.
Syntax
$WIMDA,,,,,,,,,,,,
,,,,,,,,*hh
Fields
Barometric pressure, inches of mercury, to the nearest 0.01 inch
I = inches of mercury
Barometric pressure, bars, to the nearest .001 bar
B = bars
Air temperature, degrees C, to the nearest 0.1 degree C
C = degrees C
Water temperature, degrees C (this field left blank by WeatherStation
instrument)
C = degrees C (this field left blank by WeatherStation instrument)
Relative humidity, percent, to the nearest 0.1 percent
Absolute humidity, percent (this field left blank by WeatherStation
instrument)
Dew point, degrees C, to the nearest 0.1 degree C
C = degrees C
Wind direction, degrees True, to the nearest 0.1 degree
T = true
Wind direction, degrees Magnetic, to the nearest 0.1 degree
M = magnetic
Wind speed, knots, to the nearest 0.1 knot
N = knots
Wind speed, meters per second, to the nearest 0.1 m/s
M = meters per second