brother folharin very thanks by your post and help, i say you, what the lrl how dchs cant pinpoint good center the subject, also the signal is cut in middle when you pass over, you need of md help, for a major pinpoint you need other class antennas configurations, ferrite can be major option, but ferrite isnt possible make easy manner for rx and rx relations, isnt easy this you need, may be if your put signal modulation be most direcctional, you work today whit disperse signals, those derivate around of coils how a circular electromagnetism, may be if you put a dc coil around all these total antenn what concentrate the signal at front, wtb this only my teory, my congratulations for your actual succes whit these circuit atte your brother hobbist detectoman
