Vtg - Course Over Ground And Ground Speed; Zda - Time And Date - Leica Captivate Technical Reference Manual

Examples
E.14
Syntax
Description of fields
☞
Examples
E.15
Syntax
1030
Field Description
<LF> Line Feed
For NMEA v4.0 and v4.1:
Standard Talker ID = GPS only and GNSS
$GNRMC,154706.00,A,4724.5288205,N,00937.0842621,E,
0.01,144.09,141114,0.00,E,A*10

VTG - Course Over Ground and Ground Speed

$--VTG,x.x,T,x.x,M,x.x,N,x.x,K,a*hh<CR><LF>
Field Description
$--VTG Header including talker ID
x.x Course over ground in degrees true north, 0.0 to 359.9
T Fixed text T for true north
x.x Course over ground in degrees magnetic North, 0.0 to 359.9
M Fixed text M for magnetic North
x.x Speed over ground in knots
N Fixed text N for knots
x.x Speed over ground in km/h
K Fixed text K for km/h
a Mode Indicator
A = Autonomous mode
D = Differential mode
N = Data not valid
*hh Checksum
<CR> Carriage Return
<LF> Line Feed
The Magnetic declination is set in the instrument in Regional, Angle page.
For NMEA v4.0 and v4.1:
Standard Talker ID = GPS only
$GPVTG,152.3924,T,152.3924,M,0.018,N,0.034,K,A*2D
Standard Talker ID = GNSS
$GNVTG,188.6002,T,188.6002,M,0.009,N,0.016,K,A*33

ZDA - Time and Date

$--ZDA,hhmmss.ss,xx,xx,xxxx,xx,xx*hh<CR><LF>
NMEA Message Formats