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Llano de Chajnantor is located at 5104
m altitude in the Chilean Atacama desert. It is a very dry site
- inhospitable to humans - but an excellent site for submm astronomy.
Water vapor absorbs and attenuates submm radiation and thus a
dry site is required for high-frequency radio astronomy.
Llano de Chajnantor is one of the best
sites available on Earth - and also the selected site for the
future ALMA project - a collaboration between Europe and the US
to construct and operate 64 antennas for high sensitvity, high
frequency imaging of the southern sky.
Geographic Latitude : 23º 00' 20.8" South
Geographic Longitude : 67º 45' 33.0" West
Elevation : 5104m
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