FTP Head Engineer Dave Johnson

*Posted with permission of Metal Detector Engineer Dave Johnson*

First Texas Head Engineer Dave Johnson has always done an awesome job “educating” the metal detecting masses.  Thanks again for sharing your knowledge Mr. J.!

Time of day influences the amount and type of electrical interference, not just local sources but also longwave radio communications (mostly military) from thousands of miles away.

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Fisher and Teknetics Chief Designer Dave Johnson has written an AWESOME book on gold prospecting with a VLF metal detector!  Tons of great information for prospectors and potential prospectors…as well as folks who just want to “learn more” about metal detectors!   Special thanks to Dave Johnson and Mike Scott for allowing me to reprint the book in it’s entirety here on www.detectorstuff.com !

VISIT the brand new Teknetics website HERE!  http://www.tekneticst2.com/

*reprinted with permission of First Texas Products*
www.fisherlab.com

Gold Prospecting
with a
VLF Metal Detector

Dave Johnson, Chief Designer
First Texas Products & Fisher Research Labs

This book explains how to use a VLF induction balance metal detector for gold prospecting. The author has nearly 30 years’ metal detector design engineering experience and has designed machines in every major metal detection technology category.

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Dave is one of the DetectorStuff forum moderators and an active poster.  He is an avid beach hunter and member of CRABS (Carolina Relic and Beach hunting Society).   I read this post (originally seen HERE) and saw some cool tips and beach hunting information…since detectorstuff is about “learning”, I asked Dave if we could post it here on the “main” site.

-Mark

Dave

There’s allot of different styles, some work better than others, some work one day and not the next, some just don’t work on certain beaches or for certain people but here’s mine.

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Carl Cladoff

DetectorStuff Member Carl Cladoff recently responded to my inquiry about reading beach cuts…and how to find the goodies therein.  His response (originally seen HERE) give great insight into the awesome dynamics of surf and wind…and how they factor into whether you finish a hunt with treasure…or nothing!  Thanks for allowing me to publish this Carl!  -Mark

Yo Mark!  I usually refer to those ‘sand cliffs’ you see primarily in the fall and winter as a cut…terminology may vary depending on where you are…

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Posted originally at www.findmall.com by Andy Sabisch

Andy Sabisch is an avid detectorist, writer and reviewer who has contributed to the hobby for years.  I ran across this post over at Findmall.com, one of the largest detecting hobby sites on the web.  I was so impressed I asked Andy for permission to post it here…he graciously consented.

PLEASE NOTE: This is NOT intended to discourage posting…on the contrary, post all ya want!  Andy’s point is to be careful WHAT you post… don’t give away your sites, be careful about posting historically important finds, etc.

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Over the years I have seen many posts that leave me scratching my head wondering what the person was thinking or should I say not thinking when they hit the final ENTER key. With some of the controversy that has come up on this forum and others lately, I wanted to pass on some points to consider when you are thinking of posting something . . . . do with it what you may:

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One of the more important things everyone needs to do to be a successful treasure hunter…

is to know the detector your using, know how to set it, know how to tweak it and understand what it’s telling you.

Before I start explaining what I mean let me say that anyone, using any detector, in any hunting condition can find good stuff. It’s just a matter of how long will you hunt and how many bad hunts will you need to endure before the good targets show up.

Knowing how to setup your detector is important, if you have a manual ground balance and can’t balance it well your not going to find as much or  hunt as deep as you could. Threshold, discrimination, gain, even the volume plays a roll in how effective the machine will be for any given condition. Get to know what each knob or button does to the way your detector reacts, and just when you feel you have it mastered play with the settings a bit more, you may be surprised what else you learn about your detector and how it reacts to a different setting.

Understanding what your detector is telling you, by the way no matter what you think or what someone tells you  your detector doesn’t lie to you, even when it’s confused about what’s under the coil there will still be subtle differences in the way it reacts to different targets. There will be a time when you can tell a pull tab from a gold ring , most of the time, just by the subtle difference.

Each detector type, brand, model, individual detector and each person swinging the detector is different. What works for one may or may not work for another.

OK so now you may ask “how do I get to know all this stuff about my detector? Do I read the instructions? Do I read a book about it? Do I watch a video? Talk with someone that metal detects? Search the net?”  The answer is Yes to all of them but the most important, no the only way your ever going to know your detector is to get out and use it, than use it some more. Experience has no shortcuts, that I know of anyway.

The more you know your detector the more stuff you find. It wont take too long before your hearing the whisper of a target below the coil that you didn’t hear before.

Fisher’s World Treasure News 2009! 

Fisher was kind enough to send it our way for distribution…if our servers can take the downloads!  By the way, overlook the mediocre writer in there named “mark”

*Update* WTN is now posted for download on Fisher Labs Website…get it HERE!

That’s a goooood question! There are lots of people who have been in the hobby for many years who still try different machines on a steady basis. (I’m one of them ) There are others who have found a detector they are comfortable with, and have stuck with it, having no desire to change. That’s fine too!

If you’re a person considering getting into this great hobby, I suggest finding someone who already has a metal detector and asking them if you can try it. If they will let you, spend some time throwing coins on the ground, listening to the sounds the detector makes. If the person is REALLY generous maybe they’ll let you borrow it for a few days to make sure this hobby is really one you would like.

Now, you’ve taken the above suggestion and tried out metal detecting, and you think “This is a hobby for me!”… What next?

Well, it’s time for you to buy your own. There are lots of good metal detectors out there. The huge variety is due to different preferences and needs. Generally, there are three “financial” categories of metal detectors.

• First is the “bargain” or entry level machines. They are the least expensive, and generally offer the least number of options, or somewhat subdued performance. These usually run in the $100 to $300 range.

• Second is the “mid-level” detector. These are a middle of the road machine, usually offering higher performance or more features than the entry level, but not quite as much as the next category, the high end detector. Here you’re looking at the $350 to $600 dollar range (give or take). For the most part, these detectors have very respectable performance and offer enough to satisfy even the avid hunters.

• Last, is the “high end” detector. These are the pinnacle of current hobby detectors. They usually offer the best a company has in performance and user options. Now, I know you’re thinking “THAT’S WHAT I WANT!”, please consider that a lot of new users have bought this type right from the beginning and felt frustration when trying to learn so much at one time. Other new users have bought these and been just fine… Here you’re looking at the $700 to $1200 dollar range. That’s a lot of cash!

Ultimately the choice is yours, but my suggestion is either the mid level detector or certain entry level machines for first time hunters. Why? Well, the first thing that causes new detectorists to “fall out” of the hobby is frustration. Frustration of not understanding what the detector is “telling” you, frustration of not finding good stuff every time you dig, frustration from the weight or ergonomics of your detector.

A good entry level machine will let you do what you want….find cool stuff! The definition of “good machine” in this context is one that comes from a reputable company. (Fisher, Bounty Hunter, Garrett, White’s, Minelab, Tesoro, etc.) I, of course, have my “favorite” companies for my own detectors, but I’m not going to suggest them, because I feel that would be unfair to you as a new person to the hobby.

There are many good metal detecting sites where people in this hobby talk about their detectors…here are a few.. this one of course www.detectorstuff.com , www.findmall.com, www.thetreasuredepot.com, www.detectorx.com . Most people on these sites are polite and friendly and will be more than willing to offer suggestions and advice to new users. However, be aware, just like some folks like Chevy more than Ford (or vice-versa) there are some who will swear by a certain brand of detector. Take it all with a grain of salt, accumulate all the info. you can, and visit a local detector dealer to check out what they have. DO NOT succumb to strong sales tactics (ie: “Oh, you don’t want that cheap detector! Buy this one *they point at the most expensive one in the store* You’ll like it MUCH better!” ) You will also find detector website “sponsors” to be a good moral choice. By “moral” I mean they are the one’s who pay the websites for advertising. As such, the sites are available for reading and information due to their contributions. Without them, little to no info.

Buying used is another option. The sites I listed above will usually have a buy/trade/sell forum where hobbyists swap around detectors. Caution, of course, is advised, and be aware most companies do not allow transferable warranties.

Once you’ve found a good general purpose metal detector, and not paid a fortune for it after a while, you may think “Hmmmm, I really like this hobby! I think I’m gonna stick with it!” At this point you’re ready to “consider” buying that “high end” machine you’ve been lusting over You should know enough about the hobby by this point to understand what it is you want out of a detector. Who knows? You may find enough with that entry/mid level detector to PAY FOR that top end machine!

Welcome to one of the greatest hobbies in the world!

Mark