You know the magnetic locator well, no doubt. Whether yours is a Schonstedt or another brand, geospatial professionals are familiar with these instruments due to their common use in detecting survey markers. Border-marking studs, often sunk by surveyors gone by, are made of the ferrous metals that the magnetic locators are designed to detect. However, before the 1970s, Schonstedt wasn’t focused on these meat-and-potatoes surveyors’ needs. The company was a space-specialist, hard at work creating instruments for aerospace use. As a developer of magnetic field detectors, they were often in partnership with NASA—a big zoom out from looking for infrastructure hidden underfoot.
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