Geophysical Survey

Ground Penetrating Radar: The Leica DS2000 is ideal for the detection and mapping of subsurface anomalies, structures and utilities encountered during archaeological and forensic work. Its ergonomic four-wheel design allows the machine to be utilised in a range of challenging topographic environments. The dual-frequency antenna lets users detect deep and shallow targets simultaneously and GPS integration allows scan data to be reviewed in real-time. The intuitive design of its underlying software allows for efficient data collection and reliable data storage in the field.  

Magnetic Gradiometer: The Bartington Grad601-2 boasts two gradiometer sensors, recording two lines of data during each traverse improving site survey efficiency. Datasets can be saved in grids of 10x10m to 40x40m, with magnetic gradient measured at intervals of 0.25m, 0.5m or 1m depending on user resolution preference. A non-volatile 256kB flash memory is used to store datasets securely. The Grad601-2 may also be used as a search tool without datalogging, enabling users to detect the presence of cables, pipes or unexploded ordnance on site rapidly.  

Earth Resistivity: The Geoscan RM15, Geoscan RM85 with MX15 multiplexer, and Frobisher TAR-3 allow users to undertake rapid area or vertical profile measurements. Their compact, lightweight and robust designs make them ideal companions for archaeological and forensic geophysical fieldwork. Their integrated data logger, auto logging and positioning software ensures that data is captured and stored securely in the field, regardless of traverse selection (zigzag/parallel). Grid squares of 10m, 20m or 30m and intervals of either 1m or 0.5m can be selected within their operating systems, with the RM15 having a storage capacity of 30,000 readings and the RM85 up to 164,000 readings.