Atacama Large Millimeter/submillimeter Array (ALMA), European ALMA web site:
> http://www.eso.org/sci/facilities/alma/
Atacama Large Millimeter/submillimeter Array (ALMA),North American ALMA Science Center (NAASC):
> https://science.nrao.edu/facilities/alma
Atacama Large Millimeter/submillimeter Array (ALMA), Japanese ALMA web site:
> https://alma-telescope.jp/en/
Atacama Large Millimeter/submillimeter Array (ALMA), general ALMA web site:
> http://www.almaobservatory.org/
Atacama Pathfinder Experiment (APEX):
> http://www.apex-telescope.org/
Committee on Radio Astronomy Frequencies (CRAF):
> http://www.craf.eu/
ESAs Navipedia - The reference for Global Navigation Satellite Systems
> http://www.navipedia.net/
European center for geodynamics and seismology - Gravimeters
> http://www.ecgs.lu/wulg/gravimeters/
European Southern Observatory (ESO):
> http://www.eso.org/
European Space Agency (ESA):
> http://www.esa.int/
European VLBI Group for Geodesy and Astrometry (EVGA)
> http://www.evga.org/
European VLBI Network (EVN):
> http://www.evlbi.org/
Global Geodetic Observing System (GGOS)
> http://www.ggos.org
International Astronomical Union (IAU):
> http://www.iau.org/
International Earth Rotation and Reference System Service (IERS)
> http://www.iers.org
International GNSS Service
> http://www.igs.org/
International VLBI Service for Geodesy & Astrometry (IVS):
> http://ivscc.gsfc.nasa.gov/
Joint Institute for VLBI in Europe (JIVE):
> http://www.jive.nl/
Low Frequency Array (LOFAR):
> http://www.lofar.org/
National Aeronautics & Space Administration (NASA):
> http://www.nasa.gov/
Nordic Network of Astrobiology:
>http://www.nordicastrobiology.net/
RadioNet (Advanced Radio Astronomy in Europe):
> http://www.radionet-org.eu/
Square Kilometre Array (SKA):
> http://www.skatelescope.org/