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GNSS system
|
Topcon HiPer L1/L2 receiver
|
|
Horizontal accuracy
|
3 mm + 0.5 PPM
|
|
Vertical accuracy
|
5 mm + 0.5 PPM
|
|
System frequency
|
20 Hz
|
|
Linear units
|
meters
|
|
Angular units
|
degrees
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|
Datum
|
WGS84
|
|
Projection
|
UTM Zone 23 South
|
|
Geoid
|
MAPGEO 2010
|
|
Base Reference Point
|
INCRA “ABE M0693”
|
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Number of points measured with success
|
35 (out of 36 total)
|
|
Points with σ < 1 m (x,y,z)
|
30
|
|
Points with 1 ≤ σ < 2.2 m (x/y/z)
|
5
|
|
Accuracy (RMSE) Easting
|
0.006 - 2.130 m; mean = 0.473 m
|
|
Accuracy (RMSE) Northing
|
0.006 - 1.876 m; mean = 0.225 m
|
|
Accuracy (RMSE) Elevation
|
0.019 - 2.195 m; mean = 0.469 m
|