USER GUIDE
Probable Error Enhancement
385
VBS3Fires v3.6.3 User Guide
© SimCentric Technologies 2015
21 Probable Error Enhancement
Changes made to estimated errors effect Probable Error Range and Depth calculations. Probable
Error calculations are displayed on the Geographical View of the Instructor Control Panel.
Error values have been assigned to respective Caliber type depending on the standard distance.
Following are the standard distances used for each Caliber and their respective error values.
Caliber Type
Standard Distance
PE
r
(meters)
PE
d
(meters)
60mm
2000m
13
10
81mm
2000m
15
10
105mm
5000
20
2
120mm
5000
69
3
152mm NGS
5000
69
3
155mm
5000
18
1
In order to have the above probable error values, following parameters in Battery editor object has
been adjusted and set as there defaults.
Caliber Type
Velocity Dev %
Lateral Dev(mills)
Vertical Dev(mills)
60mm
0.4
6.5
1.8
81mm
0.4
6.5
3
105mm
0.2
0.5
2.4
120mm
0.4
0.4
17.5
152mm NGS
0.4
0.8
3.2
155mm
0.4
0.2
0.6