Gill Instruments Ltd
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MaxiMet
Page 99
Issue 3
Doc. No. 1957-PS-021
May 2018
Immediately followed by:-
$WIMWV,185,T,000.19,N,A*0F
<CR><LF>.
$WIMWV
Wind Instrument Mean Wind direction and Velocity.
185
Wind Direction.
T
True Wind measurement, wind speed and/or direction information, corrected
by a compass and GPS (option) to give accurate data regardless of where north
marker is aligned.
000.19
Wind Speed only available if a GPS option is fitted (,, if no GPS).
N
Knots (NMEA output fixed to Knots measurement only).
A
Acceptable measurement (V is a void fail measurement).
0F
Hex Check Sum.
Immediately followed by:-
$WIXDR,
C,+023.9,C,TEMP
,P,1.0243,B,PRESS,
H,039,P,RH
,
Z,0000,W,SOLAR
*
01
<CR><LF>.
Where: -
$WIXDR Wind Instrument Cross Transducer
C
Type of Sensor (Temperature)
+023.9
Temperature Reading
C
Temperature Reading in Degrees Centigrade
TEMP
Name of Temperature Sensor
P
Type of Sensor (Pressure)
1.0243
Pressure Reading in Bars.
B
Pressure Units of Measure (Bars)
PRESS
Name of Pressure Sensor
H
Type of Sensor (Humidity)
039
Humidity Reading in Percent
P
Humidity Units of Measure (Percent)
RH
Name of Relative Humidity Sensor
Z
Type of Sensor (Solar)
0000
Solar Radiation reading in W/M
2
W
Solar Units of Measure (Total W/M
2
)
SOLAR
Name of Solar Sensor
*01
Hex CheckSum
Followed by GPS data if option available.
$GPGGA,080552.000,5045.7752,N,00132.3963,W,1,08,1.0,10.2,M,47.8,M,,0000*79<CR><LF>.
Where
$GPGGA NMEA GPS Protocol Header
080552.000
UTC Time, hhmmss.sss
5045.7752
Latitude ddmm.mmmm
N
North/South Indicator
00132.3963
Longitude ddmm.mmmm
