Comparative studies of the accuracy of determination of height differences by the classical and modernized method of the first-class levelling

Authors:
1
Lviv Polytechnic National University

 The question about the accuracy of determination of height difference by the classical and modernized methods of the I order levelling is discussed.

1. Instrukcija po nivelirovaniju I, II, IIIІU k. - M.: Nedra, 1990 r. 
2. Ostrovskyi A.L., Moroz O.I. Do problemy onovlennia derzhavnoi vysotnoi osnovy Ukrainy / Heodeziia, kartohrafiia i aerofotoznimannia. - 2000. - № 60. - S. 54 - 58.