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djyaz1200
on Jan 27, 2016
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Why are submarines demagnetized?
Maybe if one were to have EXTREMELY accurate baseline magnetic field data for the whole world subs could still be detected?
http://www.gfz-potsdam.de/en/media-communication/press-relea...
VLM
on Jan 27, 2016
[–]
Look up the noise spectrum data. You'd need a rather dense sensor field to detect a signal outside of the noise levels.
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