Veripos LD8 - VERIPOS UKOOA Sentences

Reference Information
LD8 Operations Manual AB-V-MA-00635_RevA2 34
5.2.12 VERIPOS UKOOA SENTENCES
The VERIPOS UKOOA sentence is compliant with OGP 373-19 and IMCA S015 (July 2011). For further
information relating to these standards please visit https://www.iogp.org and https://www.imca-int.com.
VERIPOS UKOOA SENTENCE STRUCTURE & EXAMPLE
[ 240 7300 VERI 1 2067 295238.0 +0.1 +8.0 057 12.08207N 002 11.53776W 63.997 +50.40 1.151 0.564
1.004 7 0.025 0.054 0.14 0.001 0.000 0.000 0.003 0.06 0.05 6.5 P 15{ 20 27 13 30 26 8 21 16 7 10
15 85 77 75 86} 1{ 481}]
VERIPOS UKOOA SENTENCE DEFINED
Field
Content
Notes
1
Start Character
Open string
2…5
Length of Message
Number of characters
6…10
Software Version
11…16
System Name
17…18
Record Identifier
Shows the calculation used, as different calculations can be labelled: 1, 2, 3 etc
19…23
GPS Week Number
Since Jan 6
th
1980
24…32
GPS Time of Fix
Seconds into current GPS Week
33…37
Age of Record
Time (in seconds) of the first character of the data string being output, minus the
time of position.
38…43
Latency
Latency in seconds
44…56
Latitude
Latitude displayed with spaces, dd mm.mmmmm’
57
Latitude Hemisphere
Indicator
N or S
58…71
Longitude
Longitude displayed with spaces, dddmm.mmmmm’
72
Longitude Hemisphere
Indicator
E or W
73…79
Altitude above MSL
Antenna height (in metres) above mean sea level (datum for height calculations)
80…87
Geoid Separation
Separation between mean sea level and the WGS84 reference ellipsoid (in
metres), based on a Geoid model as for example EGM96.
88…94
PDOP
95…101
HDOP
102…108
VDOP
109…110
Fix Status
Single Frequency
Dual frequency
0 = None or Bad Fixes
4 = None or Bad Fixes
1 = Altitude Aiding (weighted height)
5 = Altitude Aiding (weighted height)
2 = Altitude hold (2D Fix)
6 = Altitude hold (2D Fix)
3 = 3D Fix
7 = 3D Fix
111…117
Internal Reliability
Smallest outlier (in metres) that is likely to be detected by the current solution.
118…125
External Reliability
Maximum positional effect (in metres) of an undetectable error in an
observation. This quantity is related to the Power of the test (probability that the
MDE would be detected) and the Significance level used.
126…130
Unit Variance
The Variance and Covariance terms are elements from the variance-covariance
matrix of the position fix computation (un-scaled) in metres².