Instrument is a Geonics EM16 VLF receiver, using in the mineral exploration industry to find buried linear conductors.
this post was submitted on 16 Oct 2024
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It works. I've done it quite a few times. I have used a Dremel tool to buff the contacts and used a light coating of dielectric grease to prevent further corrosion.
A brush on the dremel?
Yes, wear gloves and eye protection. Those small wires would be a nightmare get out of your skin even more so for the eyes.