492 feet coil and tx-rx

[humhum]

Hi to All.
This coil omega or ?



please help me.

[Fred]

Hi
There are 2 coils , regular Omega configuration.
The board if fake, has nothing to do here.
Where did you find the picture?
Fred.

[Qiaozhi]

Originally Posted by Fred

Where did you find the picture?
Fred.

That's exactly what I was wondering...

[Esteban]

Was posted in another thread...
http://www.thunting.com/geotech/foru...t=14370&page=3

[Max]

Does it matter ?

[Fred]

Originally Posted by Esteban

Was posted in another thread...

Now i remember

[humhum]

Medium range based on two ferrites oscillator in equilibrium (red machine).

Two ferites one osc. or two ferites two osc. ?

Gold ring at 50-60 cm depth and was detected at 10-12 m. with this PD

Esteban ,
How does this machine?

Whether Infrared,search coil?
Two ferites serial or severally?

Please post block diagram.