LIGO Document T0900112-v1
- We report on the installation of an underground seismic experiment at the former Homestake mine in the Black Hills of South Dakota. Three stations are operating on levels at 300ft, 800ft and 2000ft depth. The 300ft and 2000ft stations are connected to a surface PC which allows remote control and continuous data retrieval. We also present first results from a side-by-side measurement at the 2000ft level with an STS-2 and two Trillium 240 instruments.
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