GroundBIRD
| GroundBIRD in 2019 | |
| Location(s) | Tenerife, Atlantic Ocean, international waters | 
|---|---|
| Coordinates | 28°18′02″N 16°30′37″W / 28.30042°N 16.51028°W | 
| Altitude | 2,400 m (7,900 ft) | 
| Wavelength | 145, 220 GHz (2.07, 1.36 mm) | 
| Telescope style | cosmic microwave background experiment | 
| Diameter | 30 cm (1 ft 0 in) | 
| Angular resolution | 0.5 degree, 0.3 degree | 
| Related media on Commons | |
GroundBIRD is an experiment to observe the cosmic microwave background at 145 and 220GHz. It aims to observe the B-mode polarisation signal from inflation in the early universe. It is located at Teide Observatory, on the island of Tenerife in the Canary Islands.