Accuracy, time cost and terrain independence comparisons of levelling techniques

Levelling techniques is classified as geometric levelling, trigonometric levelling and GPS/Levelling depending on used instruments or the methods applied. Accuracies of geometric levelling with using three equipments (Leica NA-720 optical level, Topcon RL-VH4G2 laser level and Leica NA-3003 digital...

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Bibliographic Details
Main Author: Khalid L. A. El-Ashmawy
Format: Article
Language:English
Published: Vilnius Gediminas Technical University 2014-09-01
Series:Geodesy and Cartography
Subjects:
GPS
Online Access:https://journals.vgtu.lt/index.php/GAC/article/view/3219