Assertion: radio telescope | /r/HasProperty | located near the summit of mauna kea
Facets:
value: on mount graham near tucson
type: LOCATION
value: at elevations above 4,000 metres
type: LOCATION
Source sentences:
text: Several radio telescopes that operate at submillimetre wavelengths are located near the summit of Mauna Kea, Hawaii, at elevations above 4,000 metres (13,000 feet) and on Mount Graham near Tucson,