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Gravity deformation measurements of 70 m reflector surfaces

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3 Author(s)
Brenner, M. ; Eng. Metrol. Services, Tucson, AZ, USA ; Britcliffe, M.J. ; Imbriale, W.A.

Two of NASA's Deep Space Network (DSN) 70-meter reflectors were measured using a Leica TDM-5000 theodolite. The main reflector surface was measured at five elevation angles, so that a gravity-deformation model could be derived that described the main-reflector distortions over the entire range of elevation angles. The report describes the measurement equipment and accuracy, and the results derived from the data.

Published in:

Antennas and Propagation Magazine, IEEE  (Volume:44 ,  Issue: 6 )