ZHC4931Manual
Public
Chengdu Zongheng Intelligent Control Co., Ltd
39
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CHART20 20 GPS positioning data parameters
DATA
Parameter
Description
082638
.0
UTC
UTC time
Format: hhmmss.sss
30.55996
latitude
Latitude
Format: dd.ddddd
104.05301
longitude
Longitude Format: dd.ddddd
0.7
hdop
Horizontal precision: 0.5-99.9(Quoted from
GPGGA sentence).
582.0
altitude
The altitude of the antenna away from the sea level
(unit: m), accurate to one decimal place(Quoted
from GPGGA sentence)
2
fix
GNSS positioning mode(Quoted from
GNGSA/GPGSA sentence)
2 2D positioning
3 3D positioning
298.54
cog
Course Over Ground based on true north
Format: ddd.mm(Quoted from GPVTG sentence).
ddd 000-359 (degree) mm 00-59 (minute)
0.0
spkm
Speed over ground.
Format: xxxx.x; unit: Km/h; accurate to one
decimal place (Quoted from GPVTG sentence).
0.0
spkn
Speed over ground.
Format: xxxx.x; unit: knots; accurate to one
decimal place (Quoted from GPVTG sentence).
180519
date
UTC time when fixing position.
Format: ddmmyy (Quoted from GPRMC
sentence).
08
nsat
Number of satellites, from 00 (The first 0 should
be retained) to 12 (Quoted from GPGGA
sentence).
NOTE: The above parameters are quoted from:
《
EC25&EC21_GNSS_AT_Commands_Manual_V1.1
》