Minelab SD, GP & GPX Forum

Steve Herschbach will moderate this forum.

Steve is a life-long Alaskan who got started prospecting and metal detecting in 1972. He became a dealer for metal detecting and prospecting equipment in 1976 and has for decades answered almost any question imaginable on the subjects. Steve has always kept a prospecting business as a sideline and currently has mining claims through three different partnerships. He has used virtually every model of prospecting detector and has thousands of hours of experience with suction dredges. Steve and his partner sold their business to their employees in 2010 and so he is now focusing his efforts on his new website at


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Minelab SD, GP, & GPX Classroom Forum

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SubjectViewsPostsLast Post


by filternozzle
1,572 303/26/2013 06:09PM
Last Post by steve herschbach

VLF interfere with GP(X) units.?

by David
3,769 1003/26/2013 10:33AM
Last Post by steve herschbach

I've used all the Minelab PI units made URL

by steve herschbach
2,228 403/26/2013 10:30AM
Last Post by steve herschbach

Why cant my GPX4500 pick this gold up?   (Pages: 1 2)

by filternozzle
7,296 1903/25/2013 03:17AM
Last Post by iron bark

Worth upgrading to GPX 5000 from 4500 for relics?

by steve herschbach
4,048 703/22/2013 01:32PM
Last Post by steve herschbach

Can someone who is experienced with Explorers AND GPX machines tell me...

by NealNoIN
1,219 403/21/2013 08:40PM
Last Post by steve herschbach

whats the best timings for silver coins at the beach?

by calibil
1,756 303/21/2013 07:03PM
Last Post by filternozzle


by markg
1,036 203/20/2013 07:29PM
Last Post by steve herschbach

Gpx 5000 coil help

by Hockey2
1,038 202/05/2013 10:53PM
Last Post by steve herschbach

New to pulse machines

by detectorfreak74
1,071 301/24/2013 08:23PM
Last Post by medicman507

What Extra Coils For My GPX4000?

by Mxt Sniper
2,630 901/22/2013 02:33AM
Last Post by iron bark

battery pack for extreme

by togg77
864 201/10/2013 02:53PM
Last Post by iron bark

SD 2200d 45000 serial number

by colt
2,054 501/08/2013 01:24AM
Last Post by iron bark

SD2200v2 First Nugget

by nugget62
2,930 801/07/2013 02:12AM
Last Post by Sanamkhan

Target size for minelab PI's?

by machineman
1,545 412/24/2012 11:25AM
Last Post by ScottTX


by machineman
1,638 512/23/2012 04:18PM
Last Post by iron bark

GPX 4500

by Grubstake
4,159 1012/17/2012 11:42AM
Last Post by filternozzle

All minelab Pi users lets test your mashines how deep they are

by stasys
3,352 1111/30/2012 06:19AM
Last Post by stasys

What Is The Truth In Minelab Machines:

by Noble Metal
985 111/22/2012 11:54PM
Last Post by Noble Metal

Anybody use Minelab Pi detector on the belt to make ti lighter?

by stasys
996 211/20/2012 09:05PM
Last Post by kim j

GPXs: how to identify bad targets without digging them all.

by Reggie
1,326 211/19/2012 08:27PM
Last Post by southernexplorer

Mono coil in Northern Virginia?

by Reggie
1,636 811/09/2012 08:52AM
Last Post by Jim Robertson


by littlenugget
3,429 710/14/2012 09:51AM
Last Post by nvchris

Questions about interpretation of tones for the 5000 for relic hunting

by Bill D. (VA)
1,331 310/12/2012 09:43AM
Last Post by nvchris

best coil for a 3500 in woods

by snaps
2,002 510/11/2012 09:12PM
Last Post by nvchris

Gpx 5000 Question

by sandnut
1,210 209/19/2012 02:09AM
Last Post by iron bark

GPX 4800 finds Jpeg Attachments

3,254 809/16/2012 09:57AM
Last Post by ScottTX

My recent experiences with the GPX-5000 on a saltwater beach Jpeg Attachments

by Bill D. (VA)
3,524 409/15/2012 07:10PM
Last Post by scoopjohnb

GPX 4000 ~ 1st. Coil Splitting option (DD to mono ?)

by Ken~Digs
1,616 509/10/2012 09:43PM
Last Post by iron bark

Minelabs new Pro-Find 25 pinpointers interference.? URL

by David
1,297 308/07/2012 08:07PM
Last Post by Mach1Pilot