Kipp & Zonen LAS, Instruction Manual

Page: 59 / 75

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Table 6: Example of the cross section of a LAS set-up. These data points are used in EVATION to
determine the effective height of the LAS (see Figure 37).
Elevation in
respect to
reference
1
[m]
Distance from
reference
[m]
Height of LAS in
respect to surface
[m]
Transmitter site
(here taken as
reference) =
TX
0 0 50
2
Int. point 1 0 500
Int. point 2 3 750
Int. point 3 7.5 1000
Int. point 4 7.5 2300
Int. point 5 20 3000
Int. point 6 20 3500
Int. point 7 18 3700
Int. point 8 18 4000
Int. point 9 25 4500
Receiver site =
RX
36 4700
3
30
4
1
Can be negative values with respect to the reference point
2
Installation height transmitter unit
3
Path length LAS / XLAS
4
Installation height receiver unit
1 2
3
4
5
6 7 8
9
Beam
’Reference’
Receiver
Transmitter
Figure 37: Determination of effective LAS height based the LAS set-up and cross section of the area.