Last modified by Felipe Mac-Auliffe, July 23rd 2001
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Twice a year, the beam is mapped at 3mm, 2mm and 1mm by observing planets in
order to check beam shape and size (FWHM). In addition, these tests yield the
continuum levels for the planets and thus allow to check the beam efficiencies
and thus to monitor the surface integrity of the telescope.
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Last modified by Felipe Mac-Auliffe, July 23rd 2001
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