robertj298
Greenie
- Jan 14, 2013
- 10
- 1
- Primary Interest:
- All Treasure Hunting
I've read about the advantage of using a DD coil such as what came on my new E-TRAC but this makes me wonder. Here is a simple illustration showing the advantage in trashy areas but...why does my coil give a signal along the left or right edge of the coil without a target not even passing close to the middle?