Geophex Ltd.
30 years of excellence in EM instrumentation +1 (919) 839-8515

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GEM-5 Array Data Examples

An example Q-sum data obtained by painting the screen over the Geophex UXO Test Site, a 10 m x 10 m area, indicated by the white square boundaries. The ground truth shown on the right shows a total of 20 seeded targets of various metal pipes and one magnetic rock (red circle to the left). The seven parallel lines indicate the ground track of the GEM- 5 array having seven receiver channels; the swath is about 2-m wide.

Example data obtained along streets in Raleigh, NC, superimposed upon an aerial photograph of the area. The survey was undertaken to detect all utility lines (water, sewer, powerline, telephone and fiber optic cables) buried under the road. Faint black lines indicate the ground track of the array.

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Geophex Ltd.      605 Mercury street, Raleigh NC 27603 U.S.A.       Fax: +1 (919) 230-9900       Telephone: +1 (919) 839-8515