Appendix A. Message formats
A.1 Wind message formats
More information
‣
Configuring message and communication settings (page 68)
‣
‣
WMT700 data message 24 (page 91)
‣
A.1.1 MWV message format
The variable-length comma separated MWV as defined by NMEA 0183 can be used to
receive wind data.
$<transmitter ID>MWV,<dir>,<ref>,<spd>,<uni>,<sta>*<chk><CR><LF>
Name
Description
$
Fixed character
<transmitter ID>
Two characters or
Pxxx
.
MWV
Fixed characters
<dir>
Wind angle,
0
to
359
degrees
<ref>
Reference:
•
R
= Relative
•
T
= Theoretical (not used)
<spd>
Wind speed
<uni>
Wind speed units:
•
K
= km/h
•
M
= m/s
•
N
= kts
<sta>
Status:
•
A
= Valid data
•
V
= Invalid data
*
Fixed character
<chk>
Checksum: 8
‑
bit XOR, between and excluding
$
and
*
<CR>
Carriage return code, ASCII 0Dh
WID511 User Guide
M211109EN-L
90
Summary of Contents for AviMet WID511
Page 1: ...M211109EN L User Guide Vaisala AviMet Wind Panel Display WID511...
Page 5: ...Technical support 97 Recycling 97 Table of contents 3...
Page 8: ...WID511 User Guide M211109EN L 6...
Page 44: ...More information Adjusting volume page 44 WID511 User Guide M211109EN L 42...
Page 98: ......
Page 100: ......
Page 101: ......
Page 102: ...www vaisala com...