Vaisala WINDCAP WS425 Guide de l'utilisateur télécharger pdf (Page 56)

TECHNICAL REFERENCE___________________________________________________________

54 __________________________________________________________________ M211097EN-C

WS425 A/B NMEA Extended Data

Message

WS425 A/B NMEA Extended data message is as follows:

$P<id>MWV,<dir>,<ref>,<spd>,<uni>,<sta>*<chk><CR><LF>

where

Fixed text

<id>

Data ID; A … Z

MWV

Fixed text

<dir>

Wind angle: 0 to 359 degrees

<ref>

Reference:

R = relative

T = true

<spd>

Wind speed

<uni>

Wind speed unit:

K = kilometers per hour

M = meters per second

N = knots

<sta>

Status:

A = valid data

V = invalid data

Fixed text

<chk>

Checksum (8-bit XOR, excluding $ and *)

<CR>

Carriage return code, ASCII 0DH

<LF>

Line feed code, ASCII 0AH

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Vaisala WINDCAP WS425 Guide de l'utilisateur Page 56