I was stuck OUT OF the internet, for a week. I was loaded with SPAM!!!!!!! I had 7 vicious VIRUSES!!!!! It took one of my sons, who has special computer skills to get my INTERNET computer
BACK into this forum!!!!!!!!!! I will become a WILEY *******, as I am very very very mad at whoever invaded...
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Can't Register? Can't Log In? START HERE
Please read BEFORE contacting admins
Topics: 3
Posts: 3
Last Post:
Other Issues
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Announcements
Read this first before posting
Topics: 2
Posts: 2
Last Post:
Commercial vs Non-commercial posts
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| Inside the Metal Detector | ||||||||||||||||||
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ITMD1&2
Discussions concerning content, circuitry, source code, etc for the 1st & 2nd editions.
Topics: 59
Posts: 668
Last Post:
Adding tones to Raptor
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ITMD3
Discussions concerning content, circuitry, source code, etc for the 3rd edition.
Topics: 20
Posts: 541
Last Post:
PI-GB Design
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| Technology | ||||||||||||||||||
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Tech Forum
General tech discussions on all types of metal detectors: VLF, 2-box, BFO, off-resonance, PLL, etc. Questions, ideas, and anything else that moves you.
Topics: 5,518
Posts: 84,319
Last Post:
My design finally works!
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5,518 | 84,319 |
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PI Technology
Tech discussions specific to Pulse Induction
Topics: 393
Posts: 23,314
Last Post:
Bipolar PI MD with GB and DD Coil
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Coils
Same as the Tech forum, but coil-specific.
Topics: 2,312
Posts: 24,625
Last Post:
Ground balance compensation coil
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Modifications
Detector mods, plus any other useful add-ons.
Topics: 756
Posts: 7,769
Last Post:
5900 sigbal and amplification
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Schematics
If you have a schematic to share, post it here. Please read the Intro post for rules on posting schematics.
Topics: 1,593
Posts: 30,355
Last Post:
“S”- tone discriminate metal detector.
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General Detectors
A place to discuss the non-technical aspects of metal detectors. Your favorite detectors, favorite features, or favorite accessories.
Topics: 62
Posts: 1,269
Last Post:
whites Coinmaster 5500 D
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Magnetometers
Tech discussions on mags.
Topics: 740
Posts: 4,159
Last Post:
Ivconic's new device
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Technical Books, Papers, and Literature
Technical books, papers, and literature related to treasure hunting technology.
Any books written by Geotech members are made sticky at the top of the forum.
Topics: 12
Posts: 169
Last Post:
Inside the Metal Detector, 3rd Edition
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12 | 169 |
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Side Scan Sonar
Tech discussions on sonar, transducers, and towfish construction.
Topics: 873
Posts: 3,293
Last Post:
JW Fishers Pulse 12
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873 | 3,293 |
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Geophysics
Other geophysics techniques, including earth resistivity, GPR, infrared, induced polarization, etc.
Topics: 374
Posts: 3,353
Last Post:
Ivconic Magnetometer/Gradiometer
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374 | 3,353 |
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Tools & Techniques
Vacuum forming, coil winding, packaging... anything mechanical.
Topics: 204
Posts: 2,124
Last Post:
Terrain mapping
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204 | 2,124 |
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General Electronics
Cool circuits, tips, techniques, PCB methods, test equipment, etc.
Topics: 592
Posts: 5,878
Last Post:
OMG
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Programming
This is a special section dedicated to coding techniques, tips, tricks, methodology, programming various modules, MCUs, digital filters, etc.
Basically, anything code-related.
Topics: 50
Posts: 450
Last Post:
Default Settings w/Manual Switching
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50 | 450 |
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Project Competition
Got a something in mind you would like to see designed? Post it here and see who can come up with the best solution.
Topics: 10
Posts: 607
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Completed Projects
Projects that have been reasonably completed
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Active Projects
Projects that are currently being developed
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Abandoned Projects
Project that were never completed but may still have good info
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| Misc | ||||||||||||||||||
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Buy-Sell-Trade
Detectors, parts, electronics, and so forth. No dealer restrictions.
Topics: 1,061
Posts: 5,618
Last Post:
CLONE LORENZ DEEPMAX OR PULSE STAR????
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1,061 | 5,618 |
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Treasure Magazines & Books
Buy-Sell-Trade-Discussion specifically for treasure mags, books, & other publications.
Topics: 213
Posts: 456
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213 | 456 |
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Vintage & Collectable
Pics & info on vintage detectors, for those who like "the good ol' days" of digging everything.
Topics: 186
Posts: 1,018
Last Post:
Compass Judge 1 Automatic
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186 | 1,018 |
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Melbeta's Vintage Files
Unique vintage metal detector info donated by denizen 'Melbeta'.
Topics: 86
Posts: 581
Last Post:
MY intentions right below..................
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86 | 581 |
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Free Advertising
Those who have products & services they would like to advertise may do so here. Please read the Intro post.
Topics: 122
Posts: 135
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122 | 135 |
by Rama2389
02-10-2025, 12:48 PM
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Forum Issues & Feedback
Problems with the forums? Suggestions for improvements? Post them here.
Topics: 1
Posts: 3
Last Post:
Forum changes
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| Offsite Forums | ||||||||||||||||||
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Advanced Metal Detecting Research Lab
Italian website run by Leonardo Ciocca.
Since 2009, a technical reference point. Objective and impartial to all lovers of the metal detector.
Topics: 0
Posts: 0
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Foro de la Asociacion de Detectoaficionados de Extremadura
Spanish metal detecting forum.
Topics: 0
Posts: 0
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Eric Foster's PI Tech Forum
at Findmall.com
Topics: 0
Posts: 0
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Pulsdetektor Forums
Tech forums dealing with the various Pulsdetektor projects. German only, Click Here for a BabelFish English translation.
Topics: 0
Posts: 0
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0 | 0 |
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Russian Metal Detecting forums
Lots of technical forums, but all in Russian. Click Here for a BabelFish English translation.
Topics: 0
Posts: 0
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0 | 0 |
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THunting.com
THunting.com is the former host for Geotech. These are general Treasure Hunting forums.
Topics: 1
Posts: 7
Last Post:
End of an era
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1 | 7 |
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LongRangeLocators.com
The world's largest forum dedicated to the discussion of LRLs and related devices.
Topics: 0
Posts: 0
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0 | 0 |
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There are currently 1518 users online. 105 members and 1413 guests.
Most users ever online was 9,312 at 04:42 PM on 04-26-2025.
-
Today, 09:20 PM
-
Hello colleagues, I am looking for the source code for a CLONE PI AVR that works with the ATmega 8. Thank you..Today, 08:14 AM
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I inadvertently posted this to the ITMD3 forum, my aplogies, and I can't figure out how to delete it from that forum.
Years ago, I bought a 4 inch snooper, and it had an inline amp that made it very sensitive. Screwed up the ID a bit.
I have been hunting for a 5900 SL...05-21-2025, 07:34 PM
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Hello guys. I apologize in advance if this has been discussed, but I couldn't find a topic. Has anyone made a coil with a built-in ground balance compensation coil?05-19-2025, 09:35 AM
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Hi all MD enthusiasts! Now, I propose one more schematic of hybrid MD. This design is based on the schematic of DFBowers and previous my designs. First, this design uses ready search 15"x12"DD coil of SEF type. This avoid the manufacturing of the search coil - the hardest work for me and maybe...02-11-2025, 08:17 AM
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Hello colleagues, I am looking for the source code for a CLONE PI AVR that works with the ATmega 8. Thank you..Today, 08:14 AM
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I just got myself a used DJI Mavic M1P drone. In mint condition.
I'm a total newbie at this stuff. A few years ago I had some cheap toy drone, it cost 70-80e then, it had no camera and none of the advanced options. It was a total disappointment.
After I broke all the glass around the house...05-18-2025, 08:22 PM -
Years ago, I bought a 4 inch snooper, and it had an inline amp that made it very sensitive. Screwed up the ID a bit.
I have been hunting for a 5900 SL for a while, and found one, but it has a huge current draw.
Last week, I scored one off ebay, with no coil.,
Hooked it up and...05-21-2025, 07:17 PM