Frequency Doppler shift over the path of the ESA tracking station Cebreros – VEX – Metsähovi, Medicina, Yebes (top left), Cebreros – VEX – Metsähovi, Medicina, Yebes – geocentre (top right). The differential frequencies in the geocentre with a standard deviation of ~5 mHz at 2.5 s sampling are shown at the bottom. 2010 August 23, EVN project EM081.
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