| Location(s) | Antarctic Treaty area |
|---|---|
| Coordinates | 89°59′30″S 44°30′00″W / 89.9917°S 44.5°W / -89.9917; -44.5  |
| Wavelength | 145 GHz (2.07 mm) |
| Telescope style | cosmic microwave background experiment radio telescope |
| Website | bolo |
  Location of Arcminute Cosmology Bolometer Array Receiver | |
ACBAR was an experiment to measure the anisotropy of the Cosmic microwave background. It was active 2000-2008.
The ACBAR 145 GHz measurements were the most precise high multipole measurements of the CMB at the time.
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