The Institut de radioastronomie millimétrique (IRAM)
is a Radio Astronomy collaboration between France, Germany, and
Spain to operate millimeter-scale Radio Telescopes.
Its focus is Radio signal from cold matter, from distances as close as
the solar system and as far as Cosmological distances.
IRAM 30m Telescope
Northern Extended Millimeter Array (NOEMA)
Plateau de Bure Interferometer (PdBI)