u-blox ZED-F9P Interface Description - Manual
Advance Information
GGA continued
Field
No.
Name
Unit
Format
Example
Description
Field
No.
Name
Unit
Format
Example
Description
0
xxGGA
-
string
$GPGGA
GGA Message ID (xx = current Talker ID)
1
time
-
hhmmss.ss
092725.00
2
lat
-
ddmm.
mmmmm
4717.11399
Latitude (degrees & minutes), see
3
NS
-
character
N
North/South indicator
4
long
-
dddmm.
mmmmm
00833.91590
Longitude (degrees & minutes), see
5
EW
-
character
E
East/West indicator
6
quality
-
digit
1
Quality indicator for position fix, see table below
and
position fix flags description
7
numSV
-
numeric
08
Number of satellites used (range: 0-12)
8
HDOP
-
numeric
1.01
Horizontal Dilution of Precision
9
alt
m
numeric
499.6
Altitude above mean sea level
10
uAlt
-
character
M
Altitude units: meters (fixed field)
11
sep
m
numeric
48.0
Geoid separation: difference between ellipsoid and
mean sea level
12
uSep
-
character
M
Separation units: meters (fixed field)
13
diffAge
s
numeric
-
Age of differential corrections (blank when DGPS is
not used)
14
diffStat
ion
-
numeric
-
ID of station providing differential corrections (blank
when DGPS is not used)
15
cs
-
hexadecimal
*5B
Checksum
16
<CR><LF>
-
character
-
Carriage return and line feed
Table Quality Indicator
Quality Indicator
position fix flags description
0
No Fix / Invalid
1
Standard GPS (2D/3D)
2
Differential GPS
4
RTK fixed solution
5
RTK float solution
6
Estimated (DR) Fix
UBX-18010854 - R04
Advance Information
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