I am trying to decide on the best type of metal detector to build but am struggling to understand the best one for my use. I need to detect lost arrows over a large area of grass. The arrows are wooden with a brass point and have 3 strips of aluminium foil wrapped round them. they have a tendency to bury themselves under the grass I need to be able to search a large area of grass which has random metallic rubbish underneath , which is the reason I use three strips of foil so I can listen for the 3 signals. Any suggestions on what would be the best type of detector to use.
Neil
Neil
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