Instrument is a Geonics EM16 VLF receiver, using in the mineral exploration industry to find buried linear conductors.

    • Troy@lemmy.caOP
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      16 days ago

      The instrument is fully analogue, designed in the late 70s. The serial number on the device implies it was manufactured in 87. I contacted the manufacturer and the last person who could service it has long since retired, but they sent me the calibration and tuning documents so I might be able to revive this beauty.

    • Blackmist@feddit.uk
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      16 days ago

      My brain kept tried to correct it to Jul 19…

      I was still in junior school back then.