Reference Information
LD900 Installation and Oper ations M anual
73
6.4.12 TRINAV Sentences (V3 & V4)
TRINAV Version 3 Sentence Structure & Example
[WGPOS,3,1,OEM7VERI,APEX5,OM7MR0702AN0006,1041,392609.00,0.0,57 12.08207N,002
11.53782W,114.421,0.7,1.2,,0.005948,0.000899,0.004640,0.030111,0.14,3,1,3,16,0,1,8,10,11,14,20,22,27,28,3
2,65,66,67,73,81,82,]
TRINAV Version 3 Sentence Defined
Content
Format
Unit
Notes
Start Character
A6
[-]
$WGPOS
Format Version
I
[-]
= 3 for this version
Nav. Point No.
I
[-]
See comment 1
System Name/Version
A
[-]
Name + version of DGPS system. See comment 2
GPS Week Number
I
[-]
GPS Week no. since August 21 1999
GPS Time of Fix
F10.2
[s]
Seconds into GPS week (GPS Time).
Age of Fix
F4.1
[s]
See comment 3
Latitude
A13
[dm]
dd mm.mmmmmN, space between D and M
Longitude
A14
[dm]
dd mm.mmmmmE, space between D and M
Height
F7.3
[m]
Antenna height above ellipsoid. See comment 4
HDOP
F5.1
[-]
Horizontal Dilution of Position
VDOP
F5.1
[-]
Vertical Dilution of Position
Unit Variance
F9.3
[m2]
See comment 5
Variance Latitude
F10.6
[m2]
See comment 5
Covariance Lat/Long
F10.6
[m2]
See comment 5
Variance Longitude
F10.6
[m2]
See comment 5
Variance Height
F10.6
[m2]
See comment 5
External Reliability
F7.2
[m]
See comment 6
Fix Status
I
[-]
See comment 7
Computation Type
I
[-]
See comment 8
Correction Type
I
[-]
See comment 9
No. of Satellites (n)
I
[-]
No. of satellites used for this fix
No. of Ref. Stations (r)
I
[-]
No. of ref. stations used for fix. See Comment 10
PRN’s of Sats. Used
I*n
[-]
Satellites used for this fix. Separated by commas
Ref. Station Idents
I*n
[-]
Ref. stations used for this fix. Separated by commas
End Character
A1
[-]
Close string
CRLF
A2
