Name Description
$PidMWV
Message header, where id is the station ID.
xxx,R,yy.y,M,
z
Message data:
• xxx = Wind direction (°), 3‑second average
• R = Relative direction
• yy.y = Wind speed (m/s), 3‑second average
• M = Speed unit
• z = Measurement status, where A = valid and V = invalid
*12
Message checksum:
• * = Checksum indicator
• 12 = Checksum <8bit XOR %02d>
• Checksum span = Between and excluding $ and *.
<CR><LF>
Message trailer.
Wind Message Characteristics
Property
Value
Default send interval
3 s
1)
Polling command
WAREP
1) AWS310-SITE uses an adjustable timer to set the send interval. The default value is zero (0), which means that the message is
not sent.
Example of Wind Message
$PAMWV,60,R,11.0,M,A*37<CR><LF>
4.11.4
 Air Temperature and Relative Humidity Message for
AviMet
Air Temperature and Relative Humidity Message Format
<SOH>TU1<STX> xx.x yy <CRC16 %04d><ETX><CR><LF><EOT>
Name
Description
<SOH>TU1<STX>
Message header.
xx.x yy
Message data:
• xx.x = Air temperature (°C), 1‑minute average
• yy = Relative humidity (%), 1‑minute average
Chapter 4 – AWS Client Usage
65
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