D-TEX BFO

[okantex]

is there anybody who build this detector.
or used before.

http://geotech.thunting.com/pages/metdet/patents/US3875498.pdf

it uses germanyum transisstor .which needs 0,2V instead of 0,6V in silikcons.
does it mean ,it can detech much more deeper than other BFOs. like VLFs .

[Carl-NC]

No, it will have the same sensitivity as a normal BFO... poor.