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Directory Topics Posts Last Post
General
Can't Register? Can't Log In? START HERE
Please read BEFORE contacting admins
Topics: 3 Posts: 3
Last Post: Other Issues
3 3
Carl-NC
by Carl-NC
Announcements
Read this first before posting
Topics: 2 Posts: 2
2 2
Inside the Metal Detector
ITMD1&2
Discussions concerning content, circuitry, source code, etc for the 1st & 2nd editions.
Topics: 59 Posts: 668
59 668
Carl-NC
by Carl-NC
ITMD3
Discussions concerning content, circuitry, source code, etc for the 3rd edition.
Topics: 20 Posts: 541
Last Post: PI-GB Design
20 541
karakus
by karakus
Sub-Forums:
IB Designs (4/5)
PI designs (5/64)
Technology
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
5,518 84,319
PI Technology
Tech discussions specific to Pulse Induction
Topics: 393 Posts: 23,315
393 23,315
Coils
Same as the Tech forum, but coil-specific.
Topics: 2,312 Posts: 24,626
2,312 24,626
Modifications
Detector mods, plus any other useful add-ons.
Topics: 756 Posts: 7,769
756 7,769
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
1,593 30,355
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
62 1,269
Malospelos
Magnetometers
Tech discussions on mags.
Topics: 741 Posts: 4,163
741 4,163
ivconic
by ivconic
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
12 169
Side Scan Sonar
Tech discussions on sonar, transducers, and towfish construction.
Topics: 873 Posts: 3,293
Last Post: JW Fishers Pulse 12
873 3,293
Yury
by Yury
Geophysics
Other geophysics techniques, including earth resistivity, GPR, infrared, induced polarization, etc.
Topics: 374 Posts: 3,353
374 3,353
Tools & Techniques
Vacuum forming, coil winding, packaging... anything mechanical.
Topics: 204 Posts: 2,124
Last Post: Terrain mapping
204 2,124
ivconic
by ivconic
General Electronics
Cool circuits, tips, techniques, PCB methods, test equipment, etc.
Topics: 592 Posts: 5,878
Last Post: OMG
592 5,878
kt315
OMG
by kt315
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
50 450
Projects
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
10 607
Completed Projects
Projects that have been reasonably completed
Sub-Forums:
Arduino Nano PI (9/951)
Baracuda PI (80/3,688)
Beachmaster PI (3/287)
Geotech Baracuda (53/872)
Hammerhead PI (412/3,525)
Hammerhead II PI (23/688)
Minipulse Plus (191/4,261)
SPI-MX 3b (16/164)
Stuart I & II PI (38/277)
Voodoo (4/1,771)
Active Projects
Projects that are currently being developed
Sub-Forums:
AMX Project (10/884)
Abandoned Projects
Project that were never completed but may still have good info
Sub-Forums:
GPR Project (38/506)
Kingfisher PI (2/56)
Surfmaster II (19/568)
Tinkerer's IB-PI (32/1,822)
USB Projects (10/1,887)
Misc
Buy-Sell-Trade
Detectors, parts, electronics, and so forth. No dealer restrictions.
Topics: 1,061 Posts: 5,618
1,061 5,618
Treasure Magazines & Books
Buy-Sell-Trade-Discussion specifically for treasure mags, books, & other publications.
Topics: 213 Posts: 456
213 456
Vintage & Collectable
Pics & info on vintage detectors, for those who like "the good ol' days" of digging everything.
Topics: 187 Posts: 1,019
187 1,019
Melbeta's Vintage Files
Unique vintage metal detector info donated by denizen 'Melbeta'.
Topics: 86 Posts: 581
86 581
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
122 135
Forum Issues & Feedback
Problems with the forums? Suggestions for improvements? Post them here.
Topics: 1 Posts: 3
Last Post: Forum changes
1 3
Carl-NC
by Carl-NC
Offsite Forums
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
0 0
Topics: 0 Posts: 0
0 0
Eric Foster's PI Tech Forum
at Findmall.com
Topics: 0 Posts: 0
0 0
Pulsdetektor Forums
Tech forums dealing with the various Pulsdetektor projects. German only, Click Here for a BabelFish English translation.
Topics: 0 Posts: 0
0 0
Russian Metal Detecting forums
Lots of technical forums, but all in Russian. Click Here for a BabelFish English translation.
Topics: 0 Posts: 0
0 0
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
1 7
Tanu
by Tanu
LongRangeLocators.com
The world's largest forum dedicated to the discussion of LRLs and related devices.
Topics: 0 Posts: 0
0 0

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There are currently 1128 users online. 89 members and 1039 guests.

Most users ever online was 9,312 at 04:42 PM on 04-26-2025.

Geotech Forums Statistics

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Topics: 17,591   Posts: 245,232   Members: 6,946   Active Members: 435
Welcome to our newest member, Abdvahid.

Latest Topics

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  • GeoMax
    I am looking for a copy of the user manual for the GoldQuest SS V2
    by GeoMax
    Hello,

    I'm looking for the GoldQuest SS V2 manual. If anyone has one, please let me know. I'm particularly interested in the section that describes the "Filter 1&2" function and its application. Alternatively, it would also be sufficient if someone (a GoldQuest user) could...
    Today, 09:36 AM
  • Pejoo
    Commercial projects
    by Pejoo
    Well-known commercial equipment manufacturing plans for sale: OKM ROVER UC
    OKM Fusion Light
    CONRAD GR3
    with their own mobile apps. Also available is the latest version of Visualizer Studio Professional.
    If interested, contact me at
    ​​[email protected]
    Today, 08:06 AM
  • Melbeta
    MY intentions right below..................
    by Melbeta
    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...
    Yesterday, 09:20 PM

trending

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  • Pejoo
    Commercial projects
    by Pejoo
    Well-known commercial equipment manufacturing plans for sale: OKM ROVER UC
    OKM Fusion Light
    CONRAD GR3
    with their own mobile apps. Also available is the latest version of Visualizer Studio Professional.
    If interested, contact me at
    ​​[email protected]
    Today, 08:06 AM
  • GeoMax
    I am looking for a copy of the user manual for the GoldQuest SS V2
    by GeoMax
    Hello,

    I'm looking for the GoldQuest SS V2 manual. If anyone has one, please let me know. I'm particularly interested in the section that describes the "Filter 1&2" function and its application. Alternatively, it would also be sufficient if someone (a GoldQuest user) could...
    Today, 09:36 AM
  • Ivont
    Ground balance compensation coil
    by Ivont
    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
  • Detectorist#1
    Hobby Hybrid MD1
    by Detectorist#1
    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
  • Melbeta
    MY intentions right below..................
    by Melbeta
    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...
    Yesterday, 09:20 PM
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