The BB-13 sensors are installed on a stope in a two floor deep cellar of a 19th century palace in the center of Warsaw. The palace is the seat of the Warsaw University offices. The site is noisy due to urban noise. Although it is located on rather quiet univeristy campus, the distance to nearest street with traffic is about 300 meters.
Station is connected to computer network.
Data is transmitted daily or on demand over computer line and analyzed at the Institute of Geophysics, where it is also archived. There is no person on site, except for daily paper changes. Dr Pawel Wiejacz, Institute of Geophysics, Polish Academy of Sciences, Ks.