Ground Penetrating Radar (GPR)

Measures the travel time of reflected high-frequency electromagnetic radiation. Effective for detecting abrupt interface changes and voids, for example foundation remains, graves, burial chambers and cellars.
A man pushing GPR equipment

Ground-penetrating radar (GPR) measures the travel time of reflected high-frequency electromagnetic radiation. Effective for detecting abrupt interfaces between materials and fills. Typical example targets include foundation remains, graves, chambers and voids.

Magnitude Surveys can deploy hand-held or motorised, single-channel, multi-channel, multi-frequency or stepped-frequency systems according to the required survey target, depth, resolution and coverage.

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Our techniques

Learn more about the techniques that we use.

Multispectral Imaging

Primarily used in precision agriculture, environmental surveys and forestry, this specialised sensor can also detect cropmarks caused by archaeological and other subsurface features.

Ground Penetrating Radar (GPR)

Measures the travel time of reflected high-frequency electromagnetic radiation. Effective for detecting abrupt interface changes and voids, for example foundation remains, graves, burial chambers and cellars.

Earth Resistance (ER)

Measures the difficulty of passing an electric current through the ground. Effective for detecting features with different moisture content from the surrounding soil, such as foundation remains and ditches.

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