... Telescope

The JCMT is operated by the Joint Astronomy Centre in Hilo, Hawaii on behalf of the present organizations: the Particle Physics and Astronomy Research Council in the UK, the National Research Council of Canada and The Netherlands Organization for Scientific Research.

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... telescope

The IRAM 30 m telescope is operated by the Intitut de Radio Astronomie Millimétrique, which is supported by the Centre National de Recherche Scientifique (France), the Max Planck Gesellschaft (Germany) and the Instituto Geográfico National (Spain).

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... telescope

The Onsala 20 m telescope is operated by the Swedish National Facility for Radio Astronomy, Onsala Space observatory at Chalmers University of technology.

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... telescope

The SEST was operated jointly by the Swedish National Facility for Radio Astronomy and the European Southern Observatory (ESO).

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... XS

XS is a package developed by P. Bergman to reduce and analyse a large number of single-dish spectra. It is publically available from ftp://yggdrasil.oso.chalmers.se

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... APEX

The Atacama Pathfinder EXperiment (APEX), is a collaboration between Max-Planck-Institut für Radioastronomie (in collaboration with Astronomisches Institut Ruhr Universität Bochum), Onsala Space Observatory and the European Southern Observatory (ESO) to construct and operate a modified ALMA prototype antenna as a single dish on the high altitude site of Llano Chajnantor.

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