[quote=ivconic;106244]
Since my memory is not serving me well lately i just checked at :
http://www.geotech1.com/forums/showt...ighlight=tm808
Sorry, I am not discuss TM808, I discuss
"Deep seeking metal locator" by Phil Wait and Roger Harrison you mentioned in post #25. I do not remember TM 808 schematic, I was never interested in it.