Rre Data Message; Vtg Data Message; Table 6-12 Rmc Data Message Defined; Table 6-13 Vtg Data Message Defined - CSI Wireless Vector Sensor Reference Manual

6.6.7 RRE Data Message

The RRE message contains the satellite range residuals and estimated position error. Table 6-12
breaks down the RRE data message into its components. This message has the following format.
$GPRRE,n,ii,rr...ii,rr,hhh.h,vvv.v *cc<CR><LF>
Table 6-12 RRE Data Message Defined

6.6.8 VTG Data Message

The VTG message contains velocity and course information. Table 6-13 breaks down the VTG
data message into its components. This message has the following format.
$GPVTG,ttt,c,ttt,c,ggg.gg,u,ggg,gg,u*cc<CR><LF>

Table 6-13 VTG Data Message Defined

Field
ttt
c
ttt
c
ggg.gg
u
ggg.gg
u
*cc
<CR><LF>
Vector Sensor Reference Manual
Field Description
n Number of satellites used in position computation
ii Satellite number
rr Range residual in meters
hhh.h Horizontal position error estimate in meters
vvv.v Vertical position error estimate in meters
*cc Checksum
<CR><LF> Carriage return and line feed
Description
True course over ground, ttt = 000 to 359, in degrees
True course over ground indicator, c = T always
Magnetic course over ground, ttt = 000 to 359, in degrees (output with magnetic
model option only)
Magnetic course over ground Indicator, always c = M
Speed over ground, 000 to 999 knots
Speed over ground units, u = N = Nautical mile/h
Speed over ground, 000 to 999 km/h
Speed over ground units, u = K = kilometer/h
Checksum
Carriage return and line feed
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