|Top view of the control box
the meter, on/off switch, battery charging jack, headphone jack and
threshold adjustment knob.
The hole just below the meter is where the transducer is mounted.
|Inside view of control box
showing the Li-ion cells. Notice the lack of heatsinks on this
|View of the search coil
assembly. Constructed of 6-ply plywood and paper laminate top and
bottom. I terminated the coil windings into a BNC connector and
used RG-59 coax to get the signal up to the control box.
|Inside view of the search coil
housing showing the flat spiral-wound coil. I sealed the windings
with two coats of polystyrene.
|Completed Detector, the metal
band acts as an arm rest.