GPS3232问答式命令

GPS3232问答式命令
一、关闭现有输出数据
关闭所指定的语句，命令进ASCII格式输入
$PUBX,40,RMC,0,0,0,0
$PUBX,40,VTG,0,0,0,0
关闭这两条语句后，再输入保存命令，以十六进制格式输入：
B5 62 06 09 0D 00 00 00 00 00 FF FF 00 00 00 00 00 00 07 21 AF
二、问答式指令及数据解析
命令：$PUBX,00 以ASCII码格式发送，发一次才会有一次数据返回
作用：查询时间、位置、速度、高度、定位精度、定位状态等，详见格式解析。

$PUBX,00,hhmmss.ss,Latitude,N,Longitude,E,AltRef,NavStat,Hac c,Vacc,SO G,COG,Vvel,ageC,HDOP,VDOP,TDOP,GU,RU,DR,*cs Name ASCII String Units Description
Format Example
$PUBX string $PUBX Message
Header Navstar Proprietary sentences
00 Numeric 00 Propietary
message
identifier
Hhmmss.ss Hhmmss.ss 081350.00 UTC Time hours,
minutes,
seconds.
and decimal
seconds
format of
current
position
fix.
Latitude ddmm.mmmmm 4717.113210 User datum latitude degrees, minutes, decimal minutes format
N character N Hemisphere 'N'= North,
or 'S' =
South
Longitude dddmm.mmmmm 00833.915187 User datum longitude degrees, minutes, decimal minutes format
E E Longitude
Direction 'E'= East, or 'W' = West
AltRef Numeric 546.589 m
Altitude above user datum
ellipsoid.
NavStat string G3
Navigation Status see table below
Hacc
numeric
2.1
m Horizontal accuracy
accuracy
estimates. Range: 0 to 9999
Vacc numeric 2.0
m Vertical accuracy accuracy
estimates.
Range: 0 to 9999
SOG 速度，单位千米/小时 Numeric 0.007
km/h Speed Over Ground Range:
-999.99 to
999.99
COG Numeric
77.52
degrees Course Over Ground true Range:
000.00 to
359.99
Vvel
Numeric 0.007
m/s Vertical velocity positive Up
Range:
000.00 to 999.99
ageC Numeric
s Age of most recent DGPS Corrections Range: 00.0 to 999.9 Empty = none
available
HDOP Numeric 0.92
2-D Horizontal Dilution of Precision
Range: 00.0
to 99.9 VDOP Numeric 1.19
Vertical Dilution of Precision
Range: 00.0
to 99.9 TDOP Numeric 0.77
4-D Geometric Dilution of Precision
Range: 00.0
to 99.9 GU Numeric 9
GPS SVs Number of
GPS
satellites used in the navigation
solution RU Numeric 0 GLONASS SVs Number of GLONASS
satellites
used in the
navigation
solution.
Always set
to zero. DR Numeric 0 DR Used Dead Reckoning
used (0 or
1)
cs hexadecimal *5F checksum
End of
message Value Description
NF No Fix
DR Predictive Dead Reckoning solution G2 Stand alone 2D solution
G3 Stand alone 3D solution
D2 Differential 2D solution
D3 Differential 3D solution。