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VLBI Data Processing on Coronal Radio-sounding Experiments of Mars Express

Zhang, Peijin; Xiong, Ming; Xia, Bo +13 more

The ESA's Mars Express solar corona experiments were performed at two solar conjunctions in the years 2015 and 2017 by a number of radio telescopes in the European VLBI Network. This paper presents the methods to measure the frequency and phase fluctuations of the spacecraft radio signal, and the applications to study the characteristics of the pl…