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Thread: AT Pro coin VDI number test

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  1. #1

    Jan 2007
    Houston,TX
    Garrett AT Pro Fisher F5
    1,634
    2 times

    AT Pro coin VDI number test

    Garrett AT Pro Coin VDI numbers

    Tested each coin with at least 6 passes under the coil in STD Zero mode.

    Coin tested number reading

    Ike $1-----------------------97-99
    New small dollar------------ 87
    silver half dollar--------------93
    clad half dollar---------------92
    quarter----------------------88-90
    dime--------------------------83
    copper Lincoln 1 cent-------80
    Indian Head 1 cent----------76
    Zinc Lincoln------------------75
    5 cents----------------------52-53
    War nickel------------------52-53

  2. #2
    us
    Sep 2010
    southeast PA
    CTX3030
    711
    61 times

    Re: AT Pro coin VDI number test

    was this an "air" test or a test garden test? just asking cause coins in the ground will ring up different sometimes depending on soil mineralization
    down and dirty

  3. #3

    Jan 2007
    Houston,TX
    Garrett AT Pro Fisher F5
    1,634
    2 times

    Re: AT Pro coin VDI number test

    Quote Originally Posted by dogpound
    was this an "air" test or a test garden test? just asking cause coins in the ground will ring up different sometimes depending on soil mineralization
    This was an air test to get a baseline number for the different coins. Different soils will cause numbers to possibly be higher or lower than the test numbers.

  4. #4

    Jan 2007
    Hohenwald, Tn.
    ATPro, GTI 1500, Ace 250 and a ProPointer
    74
    All Types Of Treasure Hunting

    Re: AT Pro coin VDI number test

    I am surprised at the vdi numbers for the war nickel. I thought they would be a lot higher. War nickels, which were minted from about the middle of 1942 to 1945 didn't contain nickel. They were instead 56% copper, 35% silver and 9% manganese. I have found a few of these, and they come out of the ground almost as shiny as a silver coin and give a belltone on my GTI1500.

  5. #5
    Charter Member
    us
    Director-Search & Recovery Team of Oakland County.

    Aug 2005
    In Michigan now.
    Excal 1000, Excal II, Sovereign GT, CZ-20, Tiger Shark, Tejon, GTI 1500, Surfmaster Pulse, CZ6a, DFX, AT PRO, Fisher 1235, Surf PI Pro, 1280-X, many more because I enjoy learning them.
    11,785
    1913 times
    All Types Of Treasure Hunting

    Re: AT Pro coin VDI number test

    Don't forget that not all coins in the ground are flat. Coins tilted would give different readings and could cause you to pass some by.
    (C) Sandman, 2005. All Rights Reserved.
    "TIME IS THE ONLY THING YOU NEVER GET BACK, WHY WASTE IT SWINGING A DETECTOR THAT ISN'T UP TO THE TASK."

  6. #6
    Charter Member
    us
    Nov 2010
    NJ Pine Barrens
    Minelab E-Trac, Pro Pointer
    3,949
    1385 times
    Metal Detecting

    Re: AT Pro coin VDI number test

    I dug a war nickel recently with the AT Pro and it was 50-52.
    "Internet quotes are often inaccurate."
    -Abraham Lincoln

  7. #7
    us
    Apr 2010
    NC
    Garrett AT-Pro & White's TDI & Tesoro Compass uMax
    557
    62 times
    Relic Hunting

    Re: AT Pro coin VDI number test

    Thanks for the baseline numbers, but as others have mentioned, don't expect those numbers to hold 100% true in the field.
    I recently found a Barber dime that is well worn and it rang up at 75, similar to some clad dimes I was recovering the same day.
    The pennies I was finding were in the 70 range.

    My numbers were lower than I expected across the board on everything I was finding at this particular site...
    Dwight S
    Anyone up for some Dirt Fishin?

  8. #8
    Charter Member
    us
    Nov 2010
    NJ Pine Barrens
    Minelab E-Trac, Pro Pointer
    3,949
    1385 times
    Metal Detecting

    Re: AT Pro coin VDI number test

    I am interested to know what numbers AT Pro users are getting on large coppers?
    "Internet quotes are often inaccurate."
    -Abraham Lincoln

  9. #9

    Mar 2005
    Canada
    Garrett- Master Hunter CX,Infinium, 1350, 2500, ACE 150-water converted 250, GTA 500,1500 Scorpion, AT Pro
    2,310
    451 times

    Re: AT Pro coin VDI number test

    Thanks for putting in the time and posting your results. They make a good reference point for where the US coins read as on the VDI.
    Wife + 4 kids (no grandkids yet)Orthopedics RN, photagraphy,writer, build electronic gizmos, previous hot air balloon pilot, coin collector for 40 years.

    "METAL DETECTING IS A HOBBY AND HOBBIES ARE MEANT TO BE ENJOYED"

  10. #10

    Dec 2006
    Watseka, Illinois
    CTX !!! Pro find , Sunrays
    869
    44 times
    All Types Of Treasure Hunting

    Re: AT Pro coin VDI number test

    1836 large cent 88-90
    WADE ON IN THE WATER AIN"T DEEP!!!!

  11. #11
    us
    Apr 2010
    NC
    Garrett AT-Pro & White's TDI & Tesoro Compass uMax
    557
    62 times
    Relic Hunting

    Re: AT Pro coin VDI number test

    Quote Originally Posted by cosmic
    1836 large cent 88-90
    Thanks...
    Dwight S
    Anyone up for some Dirt Fishin?

  12. #12
    us
    Mar 2011
    Chandler Tx
    White's VX3, Garrett AT PRO, Tesoro Cibola
    365
    43 times
    Metal Detecting

    Re: AT Pro coin VDI number test

    Not to far off the numbers I get in the ground. Running in pro mode with the soil rated at 85, I get the following.

    Quarters 85
    Dimes 81
    nickels 51
    old pennies. 80
    zinc pennies chatter 76-79
    If you ever hit the big one detecting....follow the 3S rule. Shoot. Shovel and Shut up.

  13. #13
    us
    Mar 2010
    Florida
    ACE 250,AT PRO, CZ21...RTG pro scoop...Stealth 720
    4,585
    2071 times
    All Types Of Treasure Hunting
    Honorable Mentions (1)

    Re: AT Pro coin VDI number test

    Quote Originally Posted by Lakemonster
    Not to far off the numbers I get in the ground. Running in pro mode with the soil rated at 85, I get the following.

    Quarters 85
    Dimes 81
    nickels 51
    old pennies. 80
    zinc pennies chatter 76-79
    I get the same numbers as you.
    Silver Worm likes this.

  14. #14
    us
    Mar 2011
    col. ohio
    bounty hunter quick draw 2 and at pro
    173
    10 times

    Re: AT Pro coin VDI number test

    fyi i ran my at pro over my 14k necklace and the numbers bounced from 30 to 25 to 14 never went above 30 and my 14 k ring hit as a nickel at 52 53 so does all gold hit this low?

  15. #15
    us
    Mar 2010
    Florida
    ACE 250,AT PRO, CZ21...RTG pro scoop...Stealth 720
    4,585
    2071 times
    All Types Of Treasure Hunting
    Honorable Mentions (1)

    Re: AT Pro coin VDI number test

    I found a 14k 5.6 gram gold band that read 63. A 4 gram cross read 42. In air tests gold read from 38 to 63. I tested gold from 0.5 grams to 5.6 grams. The heavier the ring, the higher the number. Most rings tested in the fifties.

 

 
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