High accuracy geodetic-astronomical field observation. Investigations of the Zinger and Pewzow method

Details High accuracy geodetic-astronomical field observation. Investigations of the Zinger and Pewzow method High accuracy geodetic-astronomical field observation. Investigations of the Zinger and Pewzow method

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977phdt.........4z&link_type=abstract

Ph.D. Thesis - Tech. Hochschule Karlsruhe, West. Ger. Deutsches Geodaetisches Forschungsinst., Munich (Germany, F.R.).

Astronomy and Astrophysics

Astronomy

Astronomy, Geodesy, Latitude Measurement, Longitude Measurement, Accuracy, Instrument Errors, Measuring Instruments, Photoelectric Cells, Stars, Temperature Effects, Wind Effects

Scientific paper

Based on observations using a universal instrument Kern DKM3-A after the Zinger- and Pewzow method for star pair longitude and latitude measurement, it is shown that the Horrebow level bubbles in their present exposed version are less suitable for precision measurements in the free field without additional wind and temperature protection. The accuracy of inclination measurements was considerably increased by provision of a wind screen around the instrument and styrofoam casing of the level bubble.

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