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Search methods
If you are detecting a large area with no particular concentration of finds then a more rapid rate over a wide area might be appropriate. You can then assess whether it is a potentially good site by adopting an explorative search technique.
One method often used is known as the "Union Jack" system. This is done by detecting around the perimeter of the field and then searching corner to corner as in the diagram. This can help ascertain whether there are any productive areas that you might want to concentrate on.
If you do find a productive area a more methodical search pattern and approach can be used to maximise your find rate. One way of achieving this is to use a "criss-cross" technique. Use pegs and string to mark out the area and search by slowly overlapping each sweep of your detector. For optimum coverage repeat the process at right angles
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