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Date Posted: 22:29:29 06/24/03 Tue
Author: Frank in Oz
Subject: Re: Jim Straight re Oz coil--- one more thing-
In reply to: jim straight 's message, "Re: Jim Straight re Oz coil--- one more thing-" on 16:41:27 06/24/03 Tue

Thanks Jim for your prompt reply. Sounds like you have an interesting background and a wealth of experience to call upon. I will use the infinium only for nugget shooting and bought it mainly as a backup for a GP in "dirty areas" as a time saver. Yes you are right about oz model being sightly different. We have much much more mineralization in some areas (not all) than you would ever experience. Also our power is 50hz not 60hz as such tuning parameters may be different?. I have one area that I prospect that has so much ironstone present my infinium is unusable and an extreme warbles like a magpie (noisy australian bird) but is still useable. Apparently the new update will rectify this and a by product is no coil falsing. Hope this proves to be true. I don't know about U.S. versus Oz units as far as sensitivity goes. I suspect there may be a great deal of difference between individual detectors and coils similar to what has been said about early GPs. I had a few problems with my inf. initially - fauly circuit board and poor coil- but Phil replaced these quick smart no question. Made my infinium a completely different unit. I personally can tell no difference in detection depth on .3 to 6gm nuggets between GP with stock 11"DDcoil and inf with 10x14"DD coil except that the infinium requires a slower sweep speed. One thing that I have experienced that may be of some use to you-gold with a high silver content will not drop out in reverse discrimenation. Have seen this with 3 small brassy looking nuggets (<5gms) from one area. Suspect they may have silver as this is high conductive to PI units?
Thanks again for your feedback on your oz coil.

Frank

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