Projects & Plans - Theory - Kits - Forums - Misc - Polish sites

Geotech - many, many projects (great job Carl!)

Simple BFO - one-turn coil

http://datainstitute.com/metal.htm

Mickey - in French

Russian Book - plans of an unusual MD

http://www.angelfire.com/ks/diyplans/index.html

BFO by Dave from Saxon

Detectknowledgy - excellent

Geotech - most comprehensive site

Q&A - Jack Gifford from Tesoro

How metal detector works by William Lahr and Mark Rowan, both of White's

http://www.electronickits.com/kit/plans/sports/sports.htm

http://www.shopsite.com/kits/images/K8804.HTM

PI Technology Forum - the best PI forum

Geotech forum - Great allaround technical forum

Metal Detecting on Treasurenet

White's Forum

Simplified XLT block Diagram

Detector Repair

http://www.polbox.com/d/dark/- both - good text and some nice pictures (you may check testy detektorów section for air tests of metal detectors)