Geotech Posted December 19, 2024 Share Posted December 19, 2024 "I will never do that again" refers to me personally selling and shipping books. KDP makes it all a breeze. Of coarse, they take a chunk of the proceeds but it's worth it. 2 Link to comment https://www.detectorprospector.com/topic/27213-inside-the-metal-detector-3rd-edition-is-on-sale-now-at-amazon/page/4/#findComment-286661 Share on other sites More sharing options...
geof_junk Posted December 19, 2024 Share Posted December 19, 2024 Well in that case I'm sure "KDP" will do quite well out of the deal 🤩 Link to comment https://www.detectorprospector.com/topic/27213-inside-the-metal-detector-3rd-edition-is-on-sale-now-at-amazon/page/4/#findComment-286662 Share on other sites More sharing options...
Knomad Posted December 20, 2024 Share Posted December 20, 2024 22 hours ago, Geotech said: "I will never do that again" refers to me personally selling and shipping books. KDP makes it all a breeze. Of coarse, they take a chunk of the proceeds but it's worth it. Good to hear it worked out OK, I generally like Amazon, although their Prime shipping is not as reliable as it used to be, and I hear their fees are high, hopefully it is worth not having the "Personal Selling" hassle. P.M me as to if you would like to sell me one via Amazon or direct.? Thanks, All the best Carl. Link to comment https://www.detectorprospector.com/topic/27213-inside-the-metal-detector-3rd-edition-is-on-sale-now-at-amazon/page/4/#findComment-286716 Share on other sites More sharing options...
Bill (S. CA) Posted December 20, 2024 Share Posted December 20, 2024 On 12/16/2024 at 8:18 AM, Geotech said: Here is the Table of Contents for the curious: ITMD3_TOC.pdf 194.89 kB · 54 downloads Carl, Do you discuss anything in your book relating to how bottlecap reject works on multi-frequency detectors? Bill Link to comment https://www.detectorprospector.com/topic/27213-inside-the-metal-detector-3rd-edition-is-on-sale-now-at-amazon/page/4/#findComment-286747 Share on other sites More sharing options...
Geotech Posted December 20, 2024 Share Posted December 20, 2024 Not specifically, but I do cover some of the difficulties of bottle caps (and flat steel in general), including frequency response. Here is a frequency plot of a steel washer: Although at any single frequency it looks to be non-ferrous, when you compare the frequency response to a typical non-ferrous response it would be fairly apparent to an MF detector that this is an "ill-behaved" target. However, there is a caveat in that ground mineralization can alter any of these responses, making it difficult still to ID bottle caps. 5 Link to comment https://www.detectorprospector.com/topic/27213-inside-the-metal-detector-3rd-edition-is-on-sale-now-at-amazon/page/4/#findComment-286751 Share on other sites More sharing options...
Popular Post Steve Herschbach Posted December 25, 2024 Popular Post Share Posted December 25, 2024 Looks like my wife was paying attention Twice as thick as last edition, huge effort well done Carl 👍🏼 Merry Christmas everyone! 3rd edition of the book 18 Link to comment https://www.detectorprospector.com/topic/27213-inside-the-metal-detector-3rd-edition-is-on-sale-now-at-amazon/page/4/#findComment-287130 Share on other sites More sharing options...
mn90403 Posted December 26, 2024 Share Posted December 26, 2024 Just ordered. It said I saved $6.99 on shipping because I have Prime. I will have it Monday. Link to comment https://www.detectorprospector.com/topic/27213-inside-the-metal-detector-3rd-edition-is-on-sale-now-at-amazon/page/4/#findComment-287148 Share on other sites More sharing options...
Ripcode Posted December 26, 2024 Share Posted December 26, 2024 Guessing I should get a copy! 😊 1 Link to comment https://www.detectorprospector.com/topic/27213-inside-the-metal-detector-3rd-edition-is-on-sale-now-at-amazon/page/4/#findComment-287164 Share on other sites More sharing options...
JCR Posted December 31, 2024 Share Posted December 31, 2024 @Geotech Carl, I want to thank you for your wonderful book & the way you have made this knowledge understandable & accessible to a non techie like myself, though the math makes me cross eyed. 🤔 I have read through the bulk of it in no particular order chasing questions & points of interest, especially what you identify as Viscous Magnetic Response. I will re read the whole text start to finish. Walking us through the evolution of detectors(IB and PI), how problems were solved & how new approaches have been created gives a very good foundation to grasp a bigger understanding. Your explanation of viscous mineralization verses ferrite. soil loss angles & the way these difficulties are addressed with Demod clocking and rotating the internal coordinate system is of special interest to me as I hunt in Maghemite soils most of the time. In case I have missed something, can you direct me to the most pertinent parts of the book to best explain how adjusting the internal coordinate system effects things? I am trying to better understand & utilize the Hot Rock adjustment on my Rutus Versa & the dt adjustment on my Nokta Legend. Your highlights on certain detector models, especially the Tarsacci MDT 8000(which I own, use & try to understand) is most appreciated. Your explanations on potential PI evolution is also exciting as to what we may have available some day. Again, Thank You Sir. 1 Link to comment https://www.detectorprospector.com/topic/27213-inside-the-metal-detector-3rd-edition-is-on-sale-now-at-amazon/page/4/#findComment-287570 Share on other sites More sharing options...
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