All are simple. Itake the signal from 3 different positions and go at the point where the lines intersecting. After it i use a lrl as Franco's or Alonso's pd or.... to pinpoint the object. Most times i use a metal detector to pinpoint but if the depth is not low then i have a problem. This is the reason that i "play" with other types of lrls, i am looking something for lower depth to pinpoint the buried objects. But i don't need 20m depth, how to dig it???
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A depth of 1m for medium or large objects is enough.
Regards
.A depth of 1m for medium or large objects is enough.
Regards

Your ferrite antenna coil is right behind your front coplanar coil so this means you have very small polar coordinates angle. By the way calculating exact 3D position of target while you are moving (or not moving) using triangulation technique is complicated process and you need very fast and complex digital logic to do it in real-time. I dont see any notebook or android computer to make a math for you. 






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