Llq - leica local position and quality, Vtg - course over ground and ground speed, 332 appendix e – Leica Geosystems GPS System 500 - Technical Reference Manual User Manual

Page 332

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332

Appendix E

Technical Reference Manual-4.0.0en

Format

$GPLLQ,

hhmmss.ss,

mmddyy,

eeeeee.eee,

M,

nnnnnn.nnn,

M,

x,

xx,

x.x,

x.x,

M

*hh

<CR>

<LF>

Content

Header, incl. Talker ID,message sent from
Receiver
UTC time of position
UTC date
Grid Easting, meters
Meter (fixed text “M”)
Grid Northing, meters
Meter (fixed text “M”)
GPS Quality
0 = fix not available or invalid
1 = No Realtime position, navigation fix
2 = Realtime position, ambiguities not fixed
3 = Realtime position, ambiguities fixed
Number of satellites used in computation
Coordinate Quality
Altitude above/below mean sea level for
position of marker. Note, if no orthometric
height is available the local ell. height will be
exported.
Meter (fixed text “M”)
Checksum
Carriage Return
Line Feed

LLQ - Leica Local Position and Quality

VTG - Course Over Ground and Ground Speed

Format

$GPVTG

x.x,

T,

x.x,

M,

x.x,

N,

x.x

K,

a

*hh

<CR>

<LF>

Content

Header, incl. Talker ID,message sent from
Receiver
Course over ground, degrees (0.0° to 359.9°)
True (fixed text “T”)
Course over ground, degrees (0.0° to 359.9°)
Magnetic (fixed text “M”)
Speed over ground
Knots (fixed text “N”)
Speed over ground
Km/h (fixed text “K”)
Mode Indicator
A = Autonomous mode
D = Differential mode
N = Data not valid
Checksum
Carriage Return
Line Feed

Note - The Magnetic declination is set in the Receiver
using the CONFIG key.

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