Quote:
Originally Posted by mmartin798
There may not be that much digging. The use of magentometers mounted on aircraft is used to scan for ferrous metals quite regularly. These aircraft mounted sensors can detect metal deposits 1000m underground with some pretty fine resolution, easily for the detection of a door.
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Hmm, if that's the range and resolution of a MAD boom, then finding any underground structure (let alone the door) will be trivial ... just a few passes over or near the island should be enough (especially if you know or suspect it's on the coast). The island is about 200 square kilometers in area, but much of it is only 5 kilometers wide. I wonder how the magnetic detector "indicates" information ...
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Michael B.