Magnetometer/PI combo - can it be done?

[Darren in NC]

This for the electronic buffs out there. I saw the Ferrous Hound at:

http://www.reevejones.com.au/product.html

Is it possible to develop something along this lines for shipwrecks? It would be great to have a PI to get hits, but then see if the mag was hitting simultaneously. If so, then you can assume a ferrous hit. If not, then you can assume a non-ferrous hit. It would be a roundabout way to get discrimination with a PI. Is there anything like this currently being used? Can it be built or developed?

 

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[Treseekr]

Hi , I located a PI locator made by Deepers. I wrote them & they can add up to 50' of cord to their unit with the eleptical coil or the 40" X 40" loop. Also this unit offers discrimination of ferrous & non-ferrous materials. Havn't found anyone with one of these units so I can't report on any references. Also the coils can be ordered waterproof. http://www.metaldetection.net/english/index.htm