Nmea Vhw Datagram - Simrad MS70 Installation Manual

8 : Transverse ground speed, Status
A
= The data are valid.
A
= The data are not valid.
V
9 : Stern transverse water speed (knots)
p.p
10 : Stern transverse water speed, Status
A
= The data are valid.
A
= The data are not valid.
V
11 : Stern transverse ground speed (knots)
c.c
12 : Stern transverse ground speed, Status
A
= The data are valid.
A
= The data are not valid.
V
13 : Checksum
*hh
Related topics
NMEA datagram formats, page 297
Setting up the input from a navigation system (GPS), page 241
Setting up the interface from a fixed sound speed sensor, page 245
Setting up the input from a motion reference unit (MRU), page 248

NMEA VHW datagram

The NMEA VHW datagram contains the compass heading to which the vessel points, and
the speed of the vessel relative to the water.
Format
$--VHW,x.x,T,x.x,M,x.x,N,x.x,K*hh<CR><LF>
Description
1 : Talker identifier
$—
2 : Datagram identifier
VHW
3 : Heading (Degrees True)
x.x,T
4 : Heading (Degrees Magnetic)
x.x,M
5 : Speed relative to water (knots)
x.x,N
Resolution: 0.1 knots
331549/C
Datagram formats
307