# #Mon Aug 09 11:42:52 CEST 2010 Text__awhukKOaEd-WfYQ0GneCwQ_title=A world-wide detector network Text__awhukKOaEd-WfYQ0GneCwQ_text=Currently, six major interferometric detectors (shown in red) are in operation or undergoing tested\: The two detectors of the LIGO project in the US with four kilometres arm-length, one LIGO detector with half that arm-length, GEO 600, the French-Italian VIRGO, and the Japanese TAMA 300 detector with 300 metre long arms. Also, there is a network of resonant detectors (shown in green).