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Thread: Possible Iron check method

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  1. #1
    Charter Member

    Feb 2017
    Pa
    EQ 800 & 600 Tesoro Tejon Tesoro Conquistador Bounty hunter Tracker iv
    2,052
    3022 times
    Metal Detecting

    Possible Iron check method

    Had the morning off today and hit a park ballfield. Pretty unproductive day in the field but I was playing around with some settings while getting suspected iron falsing. I have seen many suggesting a 10khz check on a suspected nail ect but today I tried a few different ones and 40khz was spot on iron signal while multi and 10khz were peeping out some fairly repeatable high tones. Just something I wanted to pass along to give a shot. Why not?
    If it's not there you won't find it.......

    If it is there you NEED to find it!......

  2. #2
    Charter Member
    us
    I'm a greater believer in luck, and I find the harder I work the more I have of it” ― Thomas Jefferson

    Apr 2016
    Abita Springs....Born in New Orleans
    EQUINOX 800
    8,272
    15309 times
    Metal Detecting
    Much appreciated tip I didnít know that. Now do you think it would work with silver mixed in iron?

  3. #3
    us
    Feb 2015
    Equinox 800, MXT All Pro
    385
    984 times
    All Types Of Treasure Hunting
    Which coil were you using and with update or pre-update?

  4. #4
    us
    Aug 2011
    ctx 3030 nokta impact Equinox 800
    719
    905 times
    This would make perfect sense as higher frequencies hit well on low conductors.
    HighVDI and jdiggs_treasure like this.
    Bucket list still needed:
    • Silver thimble
    • Spanish silver
    • seated half
    • flying eagle
    • early copper
    • 1700's coin
    • 1600's coin
    • silver 3 cent piece
    • nickel 3 cent piece
    • seated quarter
    • capped bust silver
    • draped bust silver
    • silver dollar

  5. #5
    us
    Jan 2007
    Gold Canyon AZ
    ML SDC-2300, Fisher F-75, XP Deus,
    592
    487 times
    All Types Of Treasure Hunting
    Your must surely be mistaken. Everybody knows that the Box obseldted all single frequency dedicators - including a Nox at 40 kHz single freq.! lol

  6. #6
    Charter Member

    Feb 2017
    Pa
    EQ 800 & 600 Tesoro Tejon Tesoro Conquistador Bounty hunter Tracker iv
    2,052
    3022 times
    Metal Detecting
    Quote Originally Posted by Rick K View Post
    Your must surely be mistaken. Everybody knows that the Box obseldted all single frequency dedicators - including a Nox at 40 kHz single freq.! lol
    Lol!
    If it's not there you won't find it.......

    If it is there you NEED to find it!......

  7. #7
    Charter Member

    Feb 2017
    Pa
    EQ 800 & 600 Tesoro Tejon Tesoro Conquistador Bounty hunter Tracker iv
    2,052
    3022 times
    Metal Detecting
    Quote Originally Posted by Echoplex View Post
    Which coil were you using and with update or pre-update?
    Stock coil WITH update.
    Echoplex and jdiggs_treasure like this.
    If it's not there you won't find it.......

    If it is there you NEED to find it!......

  8. #8
    Charter Member

    Feb 2017
    Pa
    EQ 800 & 600 Tesoro Tejon Tesoro Conquistador Bounty hunter Tracker iv
    2,052
    3022 times
    Metal Detecting
    Quote Originally Posted by Truth1253 View Post
    Much appreciated tip I didn’t know that. Now do you think it would work with silver mixed in iron?
    I honestly don't know but I played around with 5khz and the VDI's were completely different than multi for various items.
    If it's not there you won't find it.......

    If it is there you NEED to find it!......

  9. #9
    us
    Apr 2017
    iowa
    Golden micromax, compadre, EQ 800
    332
    292 times
    All Types Of Treasure Hunting
    I did the same today but tried 5 khz and it worked for a couple dime targets i tried it on. I thought lower khz is better on silver.

  10. #10
    Charter Member
    us
    Jan 2011
    Norman, OK
    Minelab CTX 3030, Minelab Equinox 800
    395
    554 times
    Metal Detecting
    FASCINATING finding, HighVDI. I am going to play with this next time I am out, and I hit a few targets that are hovering, in my mind, somewhere between "likely iron false" and "possible coin mixed in with iron."

    Steve

  11. #11
    us
    sprailroad

    Jan 2017
    Grants Pass, Oregon
    Garrett A3B United States Gold Hunter, GTA 1000, AT Pro, Discovery Treasure Baron "Gold Trax", Minelab X-Terra 70, Safari, & EQ 800.
    1,719
    2298 times
    All Types Of Treasure Hunting
    OK just so I understand, while detecting in say Field 2, multi tone, if I suspect more iron than not, meaning a little high pitch along with iron tone, I can change to 40Khz to perhaps check for certain, or pretty certain, but my real question is when I return to multi tone, I do NOT need to re- do noise cancel or another ground balance? which would be swell. If I seem a little dull minded in getting this, well...….but I do get some helpful tips from you fella's on the EQ.
    tennessee digger likes this.

  12. #12
    Charter Member
    us
    Jul 2015
    Near Ground Zero for Insanity
    XP Deus with HF Coils and Mi6 Pinpointer/ML Equinox 600/800/ML GPX 4800/Garrett ATX/Fisher F75 DST/Tek Delta/Whites MXT/Garrett Carrot/Piranha Relic Shovel
    3,312
    4690 times
    All Types Of Treasure Hunting
    No, you dont have to redo all the noise cancel/GB. The best way to set it up is to put the single frequency program in the User Profile slot (if you have an 800) so you can easily switch to it while interrogating a target.
    "The future ain't what it used to be..."

  13. #13
    Charter Member

    Feb 2017
    Pa
    EQ 800 & 600 Tesoro Tejon Tesoro Conquistador Bounty hunter Tracker iv
    2,052
    3022 times
    Metal Detecting
    I was just wondering if anyone has tried this. Any feedback?
    If it's not there you won't find it.......

    If it is there you NEED to find it!......

  14. #14
    us
    Dec 2017
    Franklin, KY
    AT PRO Equinox 800
    17
    21 times
    Metal Detecting
    Was able to get mine out today at an iron infested site. I am very impressed with this machine. "Hunted it out" with AT Pro and 5x8 coil. Nox pulled lots of targets out of the iron. Had about 10 holes with square nails that still gave chirps in the 20's with multi and iron bias 3. Switching to 40khz caused the VDI numbers to drop somewhere between 11 and 1. I also noticed that most big iron showed up 15-16 and always pinpointed about 12" from where I was getting the signal. Halo I guess?

 

 

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