Originally posted by mickstv
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About AWG14 or AWG12 and about 300uH, not much different from the well known ML coils.
The main difference is that the coils are induction balanced.
OK, I will calculate some different coil specifications and post them in the days to come, say 40cm, 30cm and 20cm.
For a general purpose coil, I suggest about 40cm diameter.
Smaller coils will give more sensitivity and less detecting depth.
Tinkerer
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