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What are the disadvantages of using GPS in surveying?

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Question added by Alfonce Gamariel , Principal , Public Sector
Date Posted: 2015/04/05
Khan Shahbaz
by Khan Shahbaz , As a Mapping Professional , Osmani Company Pvt. Ltd., Consulting Engineers-Architects- Planning

disadvantages of using GPS in surveying is in highly conjusted or buildup areas where the not open sky so their is he not received satellite so create in GPS locations not perfact as compare to total Station or DGPS.   

Tatjana Vajs
by Tatjana Vajs , Land Surveyor , GEOTOPO d.o.o.

The inability to perform geodetic survey in tunnels, through wooded areas or some valleys.

Deleted user
by Deleted user

Also You couldn't measure any points near walls, pillars corners, etc. And accuracy is better when using total stations that could be necessary while monitoring or high-precision objects construction or mounting.

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