To SOK.
You dont need 40 meters depth gpr.
You need only to find the entrance to ancient mine.
Try a 8-16meters depth gpr (31-63Mhz) is a good choice to find the entrance and hope close to entrance that exist a room rather large say 3x3meters or biger for greater representation to laptop.
Dont believe in miracles !!!![Nono](https://www.geotech1.com/forums/core/images/smilies/smilies/nono.gif)
Και μην ακους παπαριες !!!
You dont need 40 meters depth gpr.
You need only to find the entrance to ancient mine.
Try a 8-16meters depth gpr (31-63Mhz) is a good choice to find the entrance and hope close to entrance that exist a room rather large say 3x3meters or biger for greater representation to laptop.
Dont believe in miracles !!!
![Nono](https://www.geotech1.com/forums/core/images/smilies/smilies/nono.gif)
Και μην ακους παπαριες !!!
![Nono](https://www.geotech1.com/forums/core/images/smilies/smilies/nono.gif)
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