Title: Check FL and FR
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2(No Transcript)
3STATION (Number or Letter)
- 42 to - 30 12
SHOULD be lt 3 x Accuracy of Theodolite
lt 3 x 6 lt18
HORIZONTAL CIRCLE
FACE RIGHT
POINT
FACE LEFT
MEAN
REDUCED ANGLE
FINAL ANGLES
00
-30
-42
Check F/L and F/R degrees differ by 180o
Check F/L and F/R degrees differ by 180o
233
-36
Check F/L and F/R degrees differ by 180o
Difference between F/L - F/R min sec
Difference between F/L - F/R min sec
Difference between F/L - F/R min sec
47min 54sec -47min 18sec down 36sec
15min 48sec -15min 06sec down 42sec
12min 24sec -11min 54sec down 30sec
Instrument
(constant)
SPREAD
4STATION (Number or Letter)
210 15 27 - 000 12 09 210 03 18
HORIZONTAL CIRCLE
530 47 36 - 000 12 09 530 35 27
FACE RIGHT
POINT
FACE LEFT
MEAN
REDUCED ANGLE
FINAL ANGLES
This is ONE ROUND of angles
24
-30
STOP and find human error
5STATION (Number or Letter)
HORIZONTAL CIRCLE
FACE RIGHT
POINT
FACE LEFT
MEAN
REDUCED ANGLE
FINAL ANGLES
-42
ltAPB 210 03 22
2nd ROUND of angles
ltAPC 530 35 31