Talk:Active surface

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only radio telescopes?

This indicates that active surface only applies to radio telescopes. Seems to me that it should apply to any system, including optical telescopes, with an active reflector. Gah4 (talk) 01:09, 7 October 2017 (UTC)[reply]

OK, maybe that should be active optics instead, but I still don't see the reason for the two. Gah4 (talk) 01:52, 7 October 2017 (UTC)[reply]