Seres Reference Manual
84
5.7.8
VTG Data Message
The VTG message contains velocity and course information. Table 5-14
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 5-14 VTG Data Message Defined
Field
Description
ttt
True course over ground, ttt = 000 to 359, in degrees
c
True course over ground indicator, c = T always
ttt
Magnetic course over ground, ttt = 000 to 359, in degrees (output with magnetic
model option only)
c
Magnetic course over ground Indicator, always c = M
ggg.gg
Speed over ground, 000 to 999 knots
u
Speed over ground units, u = N = Nautical mile/h
ggg.gg
Speed over ground, 000 to 999 km/h
u
Speed over ground units, u = K = kilometer/h
*cc
Checksum
<CR><LF>
Carriage return and line feed
Summary of Contents for Seres
Page 1: ...Seres Reference Manual Part Number 875 0056 000 Date September 2002...
Page 6: ...Seres Reference Manual vi...
Page 14: ...Seres Reference Manual xiv...
Page 16: ...Seres Reference Manual xvi Table A 1 Specifications 100...
Page 34: ...Seres Reference Manual 14 Figure 1 1 WAAS Coverage...
Page 35: ...Seres Reference Manual 15 Figure 1 2 EGNOS Coverage...
Page 43: ...Seres Reference Manual 23...
Page 127: ...Seres Reference Manual 107...
Page 129: ...Seres Reference Manual 109...
Page 132: ...Seres Reference Manual 112...