This was posted on Doug's forum by Dave.
http://groups.yahoo.com/group/ProspectinginOz/message/5731
What is new is that the Surf Devil will be a full diving detector which will be good to 100 meters. It is also interesting to note that coin depths for in air tests will be the same for in ground tests as least in the areas of the US and Europe where the PD was tested. (Remember we are talking about a PI not a VLF. PI's are not effected by ground mineralization the same way VLFs are).
By the way a Oz 20 cent piece is slightly smaller than a US half. Pretty amazing depth for a 10 inch coil eh?
George
http://groups.yahoo.com/group/ProspectinginOz/message/5731
What is new is that the Surf Devil will be a full diving detector which will be good to 100 meters. It is also interesting to note that coin depths for in air tests will be the same for in ground tests as least in the areas of the US and Europe where the PD was tested. (Remember we are talking about a PI not a VLF. PI's are not effected by ground mineralization the same way VLFs are).
By the way a Oz 20 cent piece is slightly smaller than a US half. Pretty amazing depth for a 10 inch coil eh?
George
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