Hello,

I'd like to design a ground for 136kHz/472kHz. I have a few hundred metres
of steel tape at my disposal for this. I'd like to find out how deep into
ground 136kHz and 472kHz respectively can go?
How deep do I have to dig the tape for 136kHz and for 472kHz, or what would
suit both frequencies?

Thanks in advance.
73! Marcin SQ2BXI