iXBlue GAPS - Page 196

GAPS - User Guide
GPGGA
Latitude, Longitude of the ship or GAPS, GPS quality
$GPGGA,hhmmss.ss,ddmm.mmmmm,a,ddmm.mmmmm,b,a,ss,xxx,xxx,x,xxx,x,xxx,xxxx*ck
hhmmss.ss
ddmm.mmmmm
a
dddmm.mmmmm
b
q
ss
...
*ck
UTC of position
Latitude in degrees and in minutes and 1/100000
Hemisphere (N: North, S: South)
Longitude in degrees and in minutes and 1/100000
Longitude sign (E: East, W: West)
GPS quality indicator
• 0 Fix not valid
• 1 GPS SPS Mode fix valid
• 2 Differential Mode, SPS Mode, fix valid
• 3 GPS PPS Mode, fix valid
• 4 RTK
• 5 Float RTK
is the number of satellites
...
Hexadecimal checksum ('*' precedes the checksum value)
GPVTG
Course Over Ground and Ground Speed
$GPVTG,x.x,T,x.x,M,x.x,N,x.x,K,a*hh
x.x,T
x.x,M
x.x,N
x.x,K
a
*ck
Course over ground, degrees True
Course over ground, degrees Magnetic
Speed over ground, knots
Speed over ground, km/h
Mode Indicator (A autonomous, D differential, E estimated, M manual
input, S simulator, N Data not valid, never 0)
Hexadecimal checksum ('*' precedes the checksum value)
196 MU-GAPS-AN-005-H - November 2019