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What does GPEN stand for?

GPEN stands for Ground Penetration

This definition appears very rarely

See other meanings of GPEN

Samples in periodicals archive:

Essex police said: "A jackhammer will be used to search beneath the concrete ground floor and a ground penetration radar machine will then be used to explore any abnormalities.
Tayside Police are using the ground penetration system - identical to the kind on TV archaeology show Time Team - at a field just yards from Adam's house in Errol, Perthshire.
It includes papers and case studies on field evaluation studies; rehabilitation techniques; modeling and analysis techniques; airfield and highway flexible rigid pavement design; pavement evaluation--for example, the utilization of a falling weight deflectometer, roughness measurements, and ground penetration radar; subgrade stabilization techniques; pavement material design and characterization; pavement management systems; construction approaches and quality control and assurance; and field instrumentation.
They are being taught by site director Mike Emery and his colleagues how to: p Identify burial plots by reading the signs of previously disturbed ground p Use ground penetration radar to show them how far they can dig without disturbing a body p Follow rules when lifting a skeleton.