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Originally Posted by Morgan
The smaller the coil,better to catch the Phenomenon,if we are using big coil it consume more fast the field around buried objects,and each time you get the signals more near.
This 8 cm diameter coil used in the original PD is perfect,i think if i use biger is not good...
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Hi Morgan,
Maybe you can get better detection by using a smaller diameter search coil. Maybe a 1 cm diameter will work better. But you must make more turns to achieve the same inductance. Of course, you will also need to make a new null for the ferrite receiver, but this will be easy with the new 1 cm search coil. The real advantage to using a 1 cm search coil is you will no longer need to use a large box to hold a large search coil. You can easily fit all components inside a flashlight enclosure (torch in the UK). Only you can accomplish this because you used the small PCBs same as the origianal Alonso design.
This will be a great asset to using your new 8x more powerful PD in Portugal where treasure hunting is frowned upon. People will think you are only carrying your light to see in dark corners.
Will this work?
Best wishes,
J_P