Other Gravitational Wave Observatories
Below is a list of other GW detectors and observastories, in alpahbetical order.
The German/United Kingdom collaboration 600 m detector located in Hanover, Germany.
The Japanese 3 km detector located in the Kamioka mine, Japan.
The LIGO-India detector.
The NASA/ESA space-based detector.
The Italian/French collaboration 3 km detector located outside of Pisa, Italy.