The "Geophysical Instrument Pool Potsdam | GIPP" by GFZ provides seismic, magnetotelluric and geodetic instruments and sensors for projects of GFZ groups, universities and other research facilities. It is hosted by Section 2.2 | Geophysical Imaging with technical support by Section 1.1 | Space Geodetic Techniques for the GNSS component.

An interrogator is a computer unit that reads fibre optic cables. The fibre optic cables, usually laid in the ground, reflect the movement and compression of the soil in the reflection of the light, which is shot into the cable as a laser pulse. This allows dynamic and creeping processes in the soil to be measured. For us, the significance lies in the exploration and monitoring of the subsurface for geothermal energy and storage projects.

While traditional magnetotellurics (MT) are based on natural electromagnetic fields, RMT uses artificial electromagnetic sources such as distant radio transmitters operating in the very low to medium frequency range (VLF). Therefore, our explorations depend on areas where strong radio signals are available from different angles of incidence.