target signals that fade away
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  • 3 Post By Charlie P. (NY)
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Thread: target signals that fade away

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  1. #1

    Oct 2013
    91
    18 times
    All Types Of Treasure Hunting

    target signals that fade away

    I'm wondering way sometimes it sounds like a really solid hit in the ear phones, but the longer I try to pin point the signal it seems to fade away or totally move a few inches around.Is the ground getting too much signal from my detector (tx) magnetism or is it a really rusted metal causing a halo effect?

  2. #2
    us
    "Is that a Geiger Counter?"

    Feb 2006
    South Central Upstate NY in the foothills of the headlands
    Minelab Musketeer Advantage Pro w/8" & 10" DD coils/Fisher F75se(Upgraded to LTD2) w/11" DD, 6.5" concentric & 9.5" NEL Sharpshooter DD coils/Sunray FX-1 Probe & F-Point/Black Widows/Rattler headphone
    11,211
    12514 times
    Metal Detecting
    Detectors do not detect magnetism. They detect relative conductivity and can tell ferrous metals (iron) from non-ferrous. The soil conducts differently from targets and the detectors are designed to favor small, conductive targets with a lot of eddy currents . . . coins.

    Sometimes when disturbed what had been enough to cause a good signal is displaced and falls apart; multiple small targets. Or a mattress box spring three feet underground you just don't get deep enough to find. Sometimes you miss the target (stuck in the sod you overturn or on the side of the digging tool.

    If you "X" a target the good ones usually give consistant signals from all directions (jewelery may not).

    Better detectors will indicate Ferric Oxide, target depth, signal strength ("confidence") but the only way to know is dig and see.
    bigfoot1, DigIron2 and goldnrelics like this.
    America was founded by tough hell-raisers. Rugged citizens who evaded taxes, spoke strongly against tyranny, grew tobacco, brewed beer, distilled spirits, and smuggled weapons. And it will be saved by those same types of citizens.

  3. #3

    Oct 2013
    91
    18 times
    All Types Of Treasure Hunting
    Thank you .Charlie I had they notion that the more I tried to x the target that I was somehow satureating the area around the target and causing the target to be less identifiable.

  4. #4

    Mar 2007
    Salinas, CA
    Explorer II, Compass 77b, Tesoro shadow X2
    13,667
    10069 times
    Banner Finds (4)

    reply

    Quote Originally Posted by skeeter86 View Post
    I'm wondering way sometimes it sounds like a really solid hit in the ear phones, but the longer I try to pin point the signal it seems to fade away or totally move.......
    Next time that happens, try this: Speed up your swing speed over the target area. Does that bring it back in stronger ? If so, then you're falling prey to a mistake that persons with motion machines sometimes make (especially fast-swing machines like the 6000, or XLT, etc...): They hear a signal, so they "slow down to hear it better" (like, they think that's the way to pinpoint or isolate it). But since the machine is dependant on motion, well, then guess what ? The signal will fade and so forth.

    So play with your swing speeds, and see what happens. For pinpointing, you can either a) use your pinpoint all-metal function [if you have that], or b) use your eyes to criss-cross in an x-marks-the-spot sort of fashion. Ie.; Turn 90* and hit it from different angles. You'll immediately see the target center that way too, and won't even need to use your pinpoint functions.
    dirtlooter and DigIron2 like this.

  5. #5
    us
    Brad - Wolfpack Proud

    Jun 2013
    Middle TN. area
    White XLT Spectrum E-Series
    5,019
    6287 times
    Metal Detecting
    Quote Originally Posted by Tom_in_CA View Post
    Next time that happens, try this: Speed up your swing speed over the target area. Does that bring it back in stronger ? If so, then you're falling prey to a mistake that persons with motion machines sometimes make (especially fast-swing machines like the 6000, or XLT, etc...): They hear a signal, so they "slow down to hear it better" (like, they think that's the way to pinpoint or isolate it). But since the machine is dependant on motion, well, then guess what ? The signal will fade and so forth.

    So play with your swing speeds, and see what happens. For pinpointing, you can either a) use your pinpoint all-metal function [if you have that], or b) use your eyes to criss-cross in an x-marks-the-spot sort of fashion. Ie.; Turn 90* and hit it from different angles. You'll immediately see the target center that way too, and won't even need to use your pinpoint functions.
    Ok Tom... I think I'm fixin' to learn something here. When you mention the "XLT" are you referencing (my) Whites Spectrum XLT e-series? Because I DO EXACTLY WHAT THE OP IS TALKING ABOUT ALOT!!! If so please help me learn along with OP. Now I can flip the switch to pinpoint and usually don't have a problem. But when I flip it back off and start swinging again it seems to NOT be in the same location. Please bear with me.... If this (XLT) is "my" machine explain the "fast swing" comment please. I'm getting better and better at locating targets but I do find "fathom" targets it seems at times. Thank's.... Brad
    I am a true blue Patriot who believes in the original Constitution's meaning. I'll bleed blood to defend it and resist those who want to diminish or alter its meaning or those rights stated within the Constitution.

  6. #6

    Jun 2014
    Jaffrey, New Hampshire
    292
    169 times
    All Types Of Treasure Hunting
    The targets that almost get away from me (disappear, move, reappear) is almost always a small rusted away to nothing nail.
    DigIron2 likes this.
    x LIVE FREE OR DIE x

  7. #7
    us
    Apr 2013
    Northern Virginia
    Tesoro Cortés, Tejón, Cibola, Cutlass II, Garrett Pro-Pointer, Killer Bee's
    708
    245 times
    Relic Hunting
    YUP no idea, dig it all

  8. #8
    us
    Joe

    Jan 2014
    Virginia
    Fisher f75/1270/1266x/Radio Shack Treasure tracker/
    4,031
    2954 times
    All Types Of Treasure Hunting
    I don't know exactly what you mean, but the pin point mode might be confusing you,try to recover your signal with out using the pin point mode. Swing your coil over the target ,when the target sounds off the' best' the target should be pretty much right under where your coil wire meets the coil.In other words, say you swing your machine four times over a sound.every time the sound hits that is about where it is coming from.Hope that helps some gl.
    Last edited by DigIron2; Aug 04, 2014 at 07:07 PM.
    goldnrelics likes this.

  9. #9

    Mar 2007
    Salinas, CA
    Explorer II, Compass 77b, Tesoro shadow X2
    13,667
    10069 times
    Banner Finds (4)

    reply

    Quote Originally Posted by Limitool View Post
    Ok Tom... I think I'm fixin' to learn something here. When you mention the "XLT" are you referencing (my) Whites Spectrum XLT e-series?......
    Brad, yes, your Spectrum is amongst the faster of the motion machines still being sold. It's sort of a carry-over from the earliest 6000ds (which were VERY fast swings, haha). Essentially: the faster you swing, you go deeper (or ... put another way .... let's those whispers come in a bit clearer/bolder).

    But you're talking about another issue altogether: "moving" targets (versus "fading" targets). For that, I don't know what is ailing ya there. Will let someone else take a crack at that angle of the question
    goldnrelics and Limitool like this.

  10. #10
    us
    I deal in reality

    Mar 2010
    Maryland
    XLT , surfmaster PI , HAYS 2Box , VIBRA-TECTOR
    8,702
    2960 times
    Some detectors, in motion setting, will recalibrate the ground balance if you hold it still thus loosing the target. If you then move it over to the side, it will give you a false signal. The problem is in the usage of the detector, not it's operation. Frank...-Name:  five star.png
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  11. #11
    us
    Apr 2013
    Northern Virginia
    Tesoro Cortés, Tejón, Cibola, Cutlass II, Garrett Pro-Pointer, Killer Bee's
    708
    245 times
    Relic Hunting
    This is a good topic.

  12. #12
    us
    "Is that a Geiger Counter?"

    Feb 2006
    South Central Upstate NY in the foothills of the headlands
    Minelab Musketeer Advantage Pro w/8" & 10" DD coils/Fisher F75se(Upgraded to LTD2) w/11" DD, 6.5" concentric & 9.5" NEL Sharpshooter DD coils/Sunray FX-1 Probe & F-Point/Black Widows/Rattler headphone
    11,211
    12514 times
    Metal Detecting
    I had a good test scenario happen at a fairgrounds. I got a strong target and it seemed to be fairly large and uneven (wider than long). Bracelet? Watch? I started digging where it centered on the strong signal and . . . nothing. Pinpointer showed nothing as well. I scanned the sod plug and there it was again. "Dummy" says I to myself, "you missed it". Tore the sod apart . . . nothing. Scanned the sod and pile of dirt - hit. "Wha?"

    Pulled it apart some more, turned through the dirt. Pinpointer = nothing. Detector showed a hit. Double Wha?

    I started scrutinizing the soil and noted little stiff black wires and little bits of clear and frosted glass in the grass flap and around the hole. The carnival must have tossed a bunch of bulbs in one spot and later picked up the glass - but little lengths of the nichrome filiments were scattered all over that spot. Whenever enough got together it signaled strong, but scatterred they didn't trigger a response.
    America was founded by tough hell-raisers. Rugged citizens who evaded taxes, spoke strongly against tyranny, grew tobacco, brewed beer, distilled spirits, and smuggled weapons. And it will be saved by those same types of citizens.

  13. #13
    us
    Brad - Wolfpack Proud

    Jun 2013
    Middle TN. area
    White XLT Spectrum E-Series
    5,019
    6287 times
    Metal Detecting
    Quote Originally Posted by Tom_in_CA View Post
    Brad, yes, your Spectrum is amongst the faster of the motion machines still being sold. It's sort of a carry-over from the earliest 6000ds (which were VERY fast swings, haha). Essentially: the faster you swing, you go deeper (or ... put another way .... let's those whispers come in a bit clearer/bolder).

    But you're talking about another issue altogether: "moving" targets (versus "fading" targets). For that, I don't know what is ailing ya there. Will let someone else take a crack at that angle of the question
    Hey Tom.... Thanks guy. I usually just go slow on the swings. Looks like I need to step it up a lot. I've never heard this before. I'll have to go out into yard and bury a penny, nickel, dime and quarter and play some more. The XLT does seem to work pretty good and has fairly good depth. I found some items in the soft soil of MI. at 9-10". But here in TN. it doesn't seem to go as deep.
    I am a true blue Patriot who believes in the original Constitution's meaning. I'll bleed blood to defend it and resist those who want to diminish or alter its meaning or those rights stated within the Constitution.

 

 

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