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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: 19
Posts: 432
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: 5,509
Posts: 84,185
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5,509 | 84,185 |
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PI Technology
Tech discussions specific to Pulse Induction
Topics: 384
Posts: 22,996
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384 | 22,996 |
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Coils
Same as the Tech forum, but coil-specific.
Topics: 2,305
Posts: 24,561
Last Post:
White's MX Sport
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Modifications
Detector mods, plus any other useful add-ons.
Topics: 755
Posts: 7,765
Last Post:
Making Chance md stronger
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755 | 7,765 |
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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: 1,592
Posts: 30,341
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1,592 | 30,341 |
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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: 60
Posts: 1,260
Last Post:
what is the best detector you have built
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Magnetometers
Tech discussions on mags.
Topics: 737
Posts: 4,136
Last Post:
OKM
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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: 3,349
Last Post:
you wanna built easy GPR
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374 | 3,349 |
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Tools & Techniques
Vacuum forming, coil winding, packaging... anything mechanical.
Topics: 203
Posts: 2,114
Last Post:
AI
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General Electronics
Cool circuits, tips, techniques, PCB methods, test equipment, etc.
Topics: 592
Posts: 5,875
Last Post:
Conspiracy theory and modern science
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592 | 5,875 |
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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: 49
Posts: 447
Last Post:
Bluetooth programming
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49 | 447 |
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| Projects | ||||||||||||||||||
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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: 564
Last Post:
GROUND BALANCE ( without the ground :-) )
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10 | 564 |
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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: 1,062
Posts: 5,619
Last Post:
Looking for a Garrett Sea Hunter xl500
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1,062 | 5,619 |
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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: 185
Posts: 1,014
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185 | 1,014 |
by kt315
12-30-2024, 03:51 PM
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Melbeta's Vintage Files
Unique vintage metal detector info donated by denizen 'Melbeta'.
Topics: 82
Posts: 570
Last Post:
Karl von Mueller booklet...........
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82 | 570 |
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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: 1
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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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 2153 users online. 106 members and 2047 guests.
Most users ever online was 3,144 at 03:37 PM on 04-18-2024.
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SALUDOS AMIGOS, POR FAVOR NECESITO ME DIGAN SI CONOCEN ESTA PLACA, QUIERO SABER SI ES DE UN DETECTOR DE METALES BARRACUDA, Y SI ES ASI, POR FAVOR PASENME QUE MAS NECESITO Y COMO ARMARLO SALUDOS.Yesterday, 09:31 PM
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I never met Karl von Mueller, I was born and raised in NEBRASKA, and so was Karl MILLER I think!!!!!!!!! I drove down to Segundo CO one day,
to see if I could meet him, found his store, looked in the windows of the store, he was not there, and it was locked up! So I left and drove back
home...Yesterday, 04:33 PM -
Hello together...
Below I have some questions about filters 1 and 2 in GoldQuest SS V2.
Eric Foster built the GoldQuest detector in various versions over several years. There was the GoldQuest, GoldQuest SS, GoldQuest SS V2, and GoldQuest V3.
Compared to its predecessor...Yesterday, 01:59 PM
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SALUDOS AMIGOS, POR FAVOR NECESITO ME DIGAN SI CONOCEN ESTA PLACA, QUIERO SABER SI ES DE UN DETECTOR DE METALES BARRACUDA, Y SI ES ASI, POR FAVOR PASENME QUE MAS NECESITO Y COMO ARMARLO SALUDOS.Yesterday, 09:31 PM
-
I never met Karl von Mueller, I was born and raised in NEBRASKA, and so was Karl MILLER I think!!!!!!!!! I drove down to Segundo CO one day,
to see if I could meet him, found his store, looked in the windows of the store, he was not there, and it was locked up! So I left and drove back
home...Yesterday, 04:33 PM -
It is very difficult to find anything in the book that is not very interesting.
But I immediately decided on the Bipolar PI design as the first thing to focus on.
There are several reasons for that.
First, I like the idea of a "non-invasive" detection method because...01-07-2025, 08:56 AM -
Hello everyone,
I have built a Delta Pulse Sniffer PCB, and I have attached both the PCB design and the assembled board. However, when I connect the power supply, nothing happens at the speaker—no sound or response at all.
I have checked:
✔ Power connections (+12V...04-03-2025, 10:31 AM -
For years, there have been various debates between various conspiracy theorists and, on the other hand, "scientists" or. somewhat educated people who have learned something in life and at one point stopped and thought that they know everything and can understand everything.
I don't know...04-01-2025, 10:49 PM