![]() ![]() The equivalent figures in height are ± 20 mm with the NA2 to ± 34 mm with the Wild T16. In the first case, the horizontal accuracy obtained ranged from ± 28 mm with the NA2 to ± 38 mm with the T16. In the second, these two parameters were determined in a least squares solution and applied. In the first, nominal values of scale factor and additive constants (K and C) were used (typically 100 and 0). Five optical theodolites, Wild T16, T1, T2, Kern DKM-1, DKM-2 and one automatic level, a Wild NA2, were tested for horizontal distance and height accuracy measurement. ![]()
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