Observatories

	CCAT The Cornell Caltech Atacama Telescope		KOSMA The 3 m telescope on Gornergrat for observations in the submm and THz region
	NANTEN2 A 4 m submm telescope at 4800 m altitude in the chilean Atacame desert		STO the Stratospheric Terahertz Observatory, is a Long Duration Balloon (LDB) experiment