Vehicular-towed magnetometer arrays have been used for MEC detection since the late 1980s. However, most vehicles are highly ferromagnetic, and the resulting magnetic self-signature can render the data useless. Several successful vehicle-towed magnetometer arrays have addressed the vehicle signature problem through the use of custom-built non-ferrous aluminum-framed vehicles which minimize vehicle self-signature. However, the cost of these vehicles was in excess of $100k, putting them out of range of commercial UXO contractors. The question is: Is this kind of expensive custom vehicle absolutely necessary to acquire high-quality towed array magnetometer data, or can a contractor employ a vehicle with a higher signature and filter out its effects. Under this project we tested a number of commercial-off-the-shelf (COTS) side-by-side utility vehicles (UTVs) by measuring their magnetic signature and seeing if the signature can be removed through simple filtering techniques to yield data of a similar quality to data obtained using a custom- built vehicle. We find that, with a properly selected vehicle and filter, a COTS vehicle can be used.


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    Title :

    Commercial-off-the-Shelf Vehicles for Towed Array Magnetometry


    Contributors:

    Publication date :

    2009


    Size :

    79 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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