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Tuesday, September 11, 2007

Missing line computation by semi method

Normally surveyor used to compute missing line by program.However if the program is missing or collupsed then you need to know how to compute by manual method

1) Put in the distance (24m)
2) Press button shift
3) Press button P → R
4) Put in Bearing (180 degree)
5) Press equal (=)
6) You will see answer
0
Dipat
-24
Latit

7) Put in the distance (30m)
8) Press button shift
9) Press button P → R
10) Put in Bearing (270 degree)
11) Press equal (=)
12) You will see answer
-30
Dipat
0
Latit

Bearing & Distance
Latit
Dipat
Bearing 180 deg 24m
-24
0
Bearing 270 deg 30m
0
-30

-24
-30

To compute miscloss Latit = - ( -24) = 24
To compute miscloss Dipat = - ( -30) = 30

Missing line

1) Put in latit (24m)
2) Press Shift R → P
3) Put in Dipat (30m)
4) You can see below answer

Bearing
51.34019175
Distance
38.41874542

5) Press Shift x → m
Distance
38.41874542
Bearing
51.34019175

6) Press shift deg min sec

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