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800 micro-cgs units with sensitivity < 30
The 10-inch coil is at its best on wide
Raider Coil Cover
ID Ground Suppression: third order
Ground Grab® is Fisher's computerized automatic ground balance system
Fisher Gold Bug Metal Detector with 5" DD Search Coil garrett metal detectors 800 micro-cgs units with sensitivityA general purpose coin VLF running 713 kHz misses small, low conductivity gold that registers as noise at standard coin frequencies. The Fisher Gold Bug metal detector runs at 19 kHz, tuned for gold nuggets, flakes, and low conductivity relics that signal too faintly on lower frequency machines. Ground Grab computerized ground cancellation keeps the threshold stable in the iron rich, highly mineralized soils where placer gold concentrates, without the
