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Empirical estimates of cumulative refraction errors associated with procedurally constrained levelings based on the Gaithersburg- Tucson refraction tests of the National Geodetic Survey.

Geophysical Research Letters

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, , , and

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Abstract

Analyses of results of the National Geodetic Survey's leveling refraction tests indicate that the standard deviation about the mean (sigma) for high-scale minus low-scale rod readings closely correlates with measured refraction error. Use of this relation in conjunction with values for sigma obtained from routinely constrainted surveys provides a basis for estimating the refraction error associated with levelings of stipulated order and class. -Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Empirical estimates of cumulative refraction errors associated with procedurally constrained levelings based on the Gaithersburg- Tucson refraction tests of the National Geodetic Survey.
Series title:
Geophysical Research Letters
Volume
12
Issue:
5
Year Published:
1985
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geophysical Research Letters
First page:
239
Last page:
242