CliveHamy Posted August 2, 2018 Share Posted August 2, 2018 A request for advice. What VDI would you expect to see when detecting an Iron-Age Axe Head with the NOX? Anyone got one out there that they could test? I've got permission to dig a great site for one day only this weekend close to a Monastery, an Iron-Age Fort and a Norman Castle. Normally I would use Field 2, All metal and no-dig when there is an All-metal signal. Often in a field, I'll get over 100+ signals, (The nox is brilliant in detecting, much more depth than my old machine. The challenge is knowing when not to dig!) and will only dig a few clean signals. Because this site has great potential I do not want to miss out. In my past experience, I've found a modern rusty ax-head and its signal with another machine was all over the place. Link to comment Share on other sites More sharing options...
GB_Amateur Posted August 2, 2018 Share Posted August 2, 2018 4 hours ago, CliveHamy said: What VDI would you expect to see when detecting an Iron-Age Axe Head with the NOX? Iron Age? No, but I checked one I found in a former redwood forrest in California -- probably late 1800's or early 1900's. In field-2 under 4 inches of moderately mineralized soil it was hitting 14 with excursions to 13 and 15, depending upon height of coil, orientation of swing direction, etc. Hopefully someone with a relic closer to your anticipated age & composition will give you a better response. Link to comment Share on other sites More sharing options...
CliveHamy Posted August 4, 2018 Author Share Posted August 4, 2018 Thanks GB-A, I've tested a rusted c20 one, got similar 13 then 14/15/26 depending on orientation. Link to comment Share on other sites More sharing options...
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