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Replies
Survey,s main things whole to the part,not part to the whole.Since you have started survey work with out traversing and vast area so traverse has not closed.If you do traversing this problem will not happen.If some error will occur so we can distribute the error in station point.You do the traversing by angle and distance method.Furthur any enquiry you can call me to my mobile no.(+91 9748870534)
Thank you.
But i have done it by 2 different total stations, the same problem the one survey of traverse does not match to the next one exactly,
Best.
Need to check your glass it sounds like a prism offset setting is not properly set in the EDM.
Do a peg test:
Setup 3 Tripods with Tribrachs in a straight line about 50 meters apart. 1 - 2 - 3
Set Instrument on 1 measure distance 1 - 3
Set instrument on 2 measure distance 2 - 3 and 2 - 1 Sum of these two distances should equal the distance 1 - 3 if not there is a problem with the either the ppm or the prism offset setting in the instrument.
If you are processing the survey with Leica LGO you can go to the processing tab and edit any of the settings that are wrong. ie wrong prism type
First check the culmination of the instruments and run the calibration routine.
Check EDM ppm and prism offset settings.
Check optical plumbs on all tribrachs
Check level bubbles on instrument tribrachs and rods
Run 3 tripod peg test on the instrument and all prisms used
Use Forced Centering Traverse Method for Instrument points. Check yourself by using Resection.
Sounds like an EDM settings problem.