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.

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.

Magnetometry

Measures the ambient magnetic field strength. Effective for detecting features with magnetic contrast from the surrounding soil, including burnt features, pits and ditches.

Aerial Photography and Videography

Aerial views provide unique, breath-taking perspectives, capturing assets, sites and landscapes as images, videos or photospheres. Perfect for reconnaissance surveys, settings assessments or promotional campaigns.

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