We review natural limits to telescope design and use the examples of a number of telescopes for an overview of the available state-of-the-art in design, engineering and technologies. Without considering the scientific justification we then offer suggestions to realize ultimate performance of huge single dish telescopes (up to 160m). We provide an outlook on design options, technological frontiers and cost estimates.
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Hans J. Kärcher, Jacob W. M. Baars, "Ideas for future large single dish radio telescopes," Proc. SPIE 9145, Ground-based and Airborne Telescopes V, 914503 (10 July 2014);