<CR><LF> Carriage return and line feed
2.7 RRE Data Message
The RRE message contains the satellite range residuals and estimated
position error. Table 2-8 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 2-8 RRE Data Message Defined
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
2.8 VTG Data Message
The VTG message contains velocity and course information. Table 2-9
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>
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