Simultaneous Geodimeter and Tellurometer Distances

by Wolfgang M. Gopfert, Instructor and Research Assoc.; Dept. of Civil Engrg. and Engrg. Research Inst., Iowa State Univ., Ames, Iowa,


Serial Information: Journal of the Surveying and Mapping Division, 1975, Vol. 101, Issue 1, Pg. 89-100


Document Type: Journal Paper

Abstract: Meteorological effects on electronically measured distances depend on the carrier wavelength. Distances were measured simultaneously with the Geodimeter 8 and the Tellurometer MRA3 MkII, and three distance reduction methods applied; (1) The conventional correction procedure; (2) a procedure derived by using differences between lightwave and microwave distances, and (3) one derived by using simultaneous reciprocal zenith distances. The results indicate that the two unconventional procedures are superior to the conventional one. Advantages and disadvantages of the procedures are examined.

Subject Headings: Distance measurement | Meteorology | Wavelength | Microwaves

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