S.OBSR radio observatory

a facility equipped with an array of antennae for receiving radio waves from space

12 features in 8 countries.

#	Country	Features	Share of the world
1	United States US	5	41.7 %
2	Germany DE	1	8.3 %
3	France FR	1	8.3 %
4	Italy IT	1	8.3 %
5	Malaysia MY	1	8.3 %
6	Peru PE	1	8.3 %
7	Puerto Rico PR	1	8.3 %
8	U.S. Virgin Islands VI	1	8.3 %
	Total	12