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questions about coins "hitting" while the machine is nulling...

sgoss66

Well-known member
I just read over in the "sensitivity" thread how Bryce says that he locates probably 50% of his deep coins as tones that "break through" a "dead null" on the machine.

Just a question for Bryce, or others who have this happen...are the initial tones that "break through" the null "choppy" and "chirpy," (meaning, the ones that initially get your attention, and cause you to stop and investigate further)? Or, are you listening for a more sustained "warble" tone? Reason I ask is, I frequently get choppy high-pitch chirps and "coughs" through a null, but usually I have found these to be very non-repeatable and that plus the "choppy" sound suggests likely iron falses, to me (as confirmed when I have dug them). Will a coin through a null often give the same type of a choppy chirp only, or are you listening (through the null) for maybe a little longer, less choppy, warbling tone to catch your attention -- and one that, once you stop to further investigate, you can coax a bit more "repeatability" from?

I know this is probably hard to describe in words, but I'd like to learn what I'm supposed to be listening for "through the null..."

Thanks,

Steve
 
wish i know tha answer to that my self but from what i,ve gained from bryce,s post is that here hears a nice attion getting hit often quiet in sound deep repeatable type sound i hope here tune,s into your post he proble willhe,s good about that i also here lots of the sounds you talk about and most times junk but getting better finding good stuff and the time,s i dig junk most time,s i know it will be junk just i,ve still finding the need to know still learning and unsure of all i hear but getting better
 
I'm with you, teleman -- hearing lots of sounds, and learning to better decipher/interpret what they mean. So much of what I hear "breaking through" the null is choppy and shrieky. I am guessing the good stuff that breaks through the null has a "better" sound, but I want to hear what some folks say who are good at picking out the good hits within the prolonged nulls...

Steve
 
Do exactly what you are doing...paying attention and stopping to investigate any of those initial chirps that sound good.

IF once you stop to investigate further and you can not get that sound to repeat from at least 2 of 4 angles...walk on.

IF however you can get a sweet warble...even in the tinest of a window from 2 of 4 directions...give it a shot.

I have actually gotten a tiny little window of a warble...sometimes a little choppy and sometimes not. However sometimes it's such a sweet little, narrow warble that even if it repeats from only one angle on the sweep and resweep...that I'll give it a shot.

No way I can explain sounds any further. It gets to a point that you just have to hear it through the headphones. Almost gets confusing trying to explain what sound to listen for...how many angles it needs to hit at....length of warble..etc.. You just have to experience it in the field to get the best understanding.
 
Bryce --

I fully understand the difficulty in describing, but your efforts are really helping! :)

One small clarification -- you said...

IF however you can get a sweet warble...even in the tinest of a window from 2 of 4 directions

By "tiniest of window," I'm guessing you talking a window in terms of the coil moving over the ground (i.e. good sound in maybe only a little 1/2" or 1" area under the coil), or are you talking a window in terms of time (i.e. you hear the warble but it's only a short, abbreviated tone).

I AM getting better at understanding the sounds. It's those strange, choppy, abbreviated tones that break through nulls that I haven't yet learned to decipher, but that apparently at times are hinting at good stuff down there!

Steve
 
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