Renaissance of Astrogeodetic Levelling Using GPS/CCD Zenith Camera

R. Schoebel, G.W. Hein and B. Eissfeller

Abstract:	The renaissance of astrogeodetic levelling these days has been possible because of an enormous evolution in digital astrometry. The revolution of CCD technology over the last decades has led to very powerful systems. The Charge Coupled Devices (CCD) has more or less phased out the photographic plates in astronomers equipment. The Institute of Geodesy and Navigation has developed a zenith camera using CCD technology that is now under test. The goal is to determine the deflections of the vertical with an accuracy of better than 0.3 arc seconds. The paper describes the state of development and test results of the system.
Published in:	Proceedings of the IAIN World Congress and the 56th Annual Meeting of The Institute of Navigation (2000) June 26 - 28, 2000 The Catamaran Resort Hotel San Diego, CA
Pages:	732 - 740
Cite this article:	Schoebel, R., Hein, G.W., Eissfeller, B., "Renaissance of Astrogeodetic Levelling Using GPS/CCD Zenith Camera," Proceedings of the IAIN World Congress and the 56th Annual Meeting of The Institute of Navigation (2000), San Diego, CA, June 2000, pp. 732-740.
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