The demand of new enhanced performances in VLBI networks both in sensitivity and in frequency agility calls for an upgrade of the Medicina antenna. Increasing observing frequency, improving the G/T term, switching very quickly among frequencies are needed in radioastronomical field to improve the results and to manage efficiently the observations, both in VLBI and in single dish experiments. In the paper we speak about the various tasks and possible solutions, also adding some calculation about predictable efficiency and attempting to set the time schedule for the upgrading of the antenna.
VLBI TecnologyY: Progress and Future Observational Possibilities
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