part of the European and worldwide networks, for astronomical Very Long Baseline Interferometry (VLBI) observations of star forming regions, radio stars, and active galactic nuclei, and for geodetic VLBI observations to study e.g. crustal dynamics and polar motion. Receivers The telescope is equipped with the following receivers: LOFAR station The Swedish station in the international radio telescope LOFAR is located at Onsala Space Observatory. It was completed in 2011. Nordic ALMA node The Onsala Space Observatory currently hosts the Nordic ALMA node, which is part of the European ALMA regional centre (ARC). The Nordic ALMA node provides face-to-face support for any astronomer that wants to use the ALMA telescope and primarily supports the Nordic scientific community. References External links Onsala Space Observatory – official website Nordic ARC node - Home page Radio telescopes Astronomical observatories in Sweden Astronomy in Sweden Science and technology in Sweden Organizations established in 1949 Low-Frequency Array (LOFAR) 1949 establishments in Sweden