van't Klooster, K., Myasnikova, S. E., Parshin, V. V., & Kasparek, W. (2004). Results of reflection loss measurements of sample material for radio astronomy telescope antenna for Planck Project. In Proc. 14th international crimean conference on microwave and telecommunication technology (pp. 753–755).
Abstract: Advanced radio telescope antennas for space applications are realised by the use of stable composite materials, which are lighter in general than various metal realisations. Reflectivity measurements have been carried out on high technology samples for the Planck radio telescope. Highly accurate results have been obtained at the Applied Physics Institute in Nizhny Novgorod, and an independent measurement with a totally different setup at the University of Stuttgart confirmed that one of the samples showed a strange behaviour. Moreover, it confirmed the high accuracy of the testing method.
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