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STI,030–RecommendedMinimum3DGNSSData
Time,date,position,courseandspeeddataprovidedbyaGNSSnavigationreceiver.
Structure:
$PSTI,030,hhmmss.sss,A,dddmm.mmmmmmm,a,dddmm.mmmmmmm,a,x.x,x.x,x.x,x.x,ddmmyy,a.x.x,x.x*hh<CR><LF>
123456789101112131415
Example:
$PSTI,030,033010.000,A,2447.0895508,N,12100.5234656,E,94.615,0.00,‐0.01,0.04,111219,R,0.999,3.724*1A
<CR><LF>
Field Name Example Description
1 UTCtime 033010.000 UTCtimeinhhmmss.sssformat(000000.00~235959.999)
2 Status A Status
‘V’=Navigationreceiverwarning
‘A’=DataValid
3 Latitude 2447.0895508 Latitudeindddmm.mmmmmmmformat
Leadingzerostransmitted
4 N/Sindicator N Latitudehemisphereindicator
‘N’=North
‘S’=South
5 Longitude 12100.5234656 Longitudeindddmm.mmmmmmmformat
Leadingzerostransmitted
6 E/WIndicator E Longitudehemisphereindicator
‘E’=East
‘W’=West
7 Altitude 94.615 meansealevel(geoid),(‐9999.999~17999.999)
8 EastVelocity 0.00
‘East’componentofENUvelocity(m/s)
9 NorthVelocity ‐0.01
‘North’componentofENUvelocity(m/s)
10 UpVelocity 0.04
‘Up’componentofENUvelocity(m/s)
11 UTCDate 111219 UTCdateofpositionfix,ddmmyyformat
12 Modeindicator R Modeindicator
‘A’=Autonomousmode
‘D’=Differentialmode
‘E’=Estimated(deadreckoning)mode
‘F’=FloatRTK.SatellitesystemusedinRTKmode,floating
integers
‘M’=Manualinputmode
‘N’=Datanotvalid
‘P’=Precise
‘R’=RealTimeKinematic.SystemusedinRTKmodewithfixed
integers
‘S’=Simulatormode
13 RTKAge 0.999 Ageofdifferential
14 RTKRatio 3.724 ARratiofactorforvalidation
15 Checksum 1A