OBXmetalDet
Full Member
- Joined
- Aug 25, 2019
- Messages
- 111
- Reaction score
- 65
- Golden Thread
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- Detector(s) used
- Minelab Equinox 800
- Primary Interest:
- All Treasure Hunting
I just took my Equinox 800 out in front of my house to test various settings on various objects. In front of my townhouse, there is a sidewalk. Between the sidewalk and the curb, there is a narrow strip of grass may 1.5 feet wide. I did a auto noise cancel. Then I did an auto ground balance (I think I did it right). Then I took the detector off of multi-frequency and tested one frequency at a time (5, 10, 15, 20 and 40 kHz).
When I was scanning the narrow strip of grass, to my surprise I was getting quite a few signals, with various target IDs showing up. I can't imagine there were really that many metallic objects there but I could be wrong.
1. Why was I getting to many signals? I lowered the sensitivity and this seemed to reduce the frequency of detectors but I still had quite a few. Even with a lower sensitivity, what could account for getting so many signals?
2. If you have signals due to ground mineralization (noise/junk signal), how can you tell those signals apart from a real signal (whether the real signal is ferrous or non-ferrous).
I also tested a quarter, nickel, penny and a thin nail on the sidewalk. To my surprise, any given frequency was able to detect all of these objects even though they are made from different types of metals. I thought that any given metal could be detected by only 1 frequency or maybe 2 overlapping frequencies.
1. How can more than one frequency detect a single metal object?
2. High frequencies are good for shallow objects. Low frequencies are good for deep objects. Does this mean that low frequencies can't detect shallow objects?
3. Any suggestions on how I should experiment in order to better understand how all these settings work?
When I was scanning the narrow strip of grass, to my surprise I was getting quite a few signals, with various target IDs showing up. I can't imagine there were really that many metallic objects there but I could be wrong.
1. Why was I getting to many signals? I lowered the sensitivity and this seemed to reduce the frequency of detectors but I still had quite a few. Even with a lower sensitivity, what could account for getting so many signals?
2. If you have signals due to ground mineralization (noise/junk signal), how can you tell those signals apart from a real signal (whether the real signal is ferrous or non-ferrous).
I also tested a quarter, nickel, penny and a thin nail on the sidewalk. To my surprise, any given frequency was able to detect all of these objects even though they are made from different types of metals. I thought that any given metal could be detected by only 1 frequency or maybe 2 overlapping frequencies.
1. How can more than one frequency detect a single metal object?
2. High frequencies are good for shallow objects. Low frequencies are good for deep objects. Does this mean that low frequencies can't detect shallow objects?
3. Any suggestions on how I should experiment in order to better understand how all these settings work?
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