The Case Study of R-sensors' seismometers used for low-frequency seismic sounding (LFS).
The leaflet on 'Low-Frequency Seismic Sounding' was released by Gradient, our partner company. The company has a profound experience in using the CME-4111 и CME-4311 seismometers along with the Baykal-ACN recorders for passive seismic exploration.