Back to news & articles
The Creation of The Modern Day EM Locator
The utility locator was not created by a single individual; rather, its development involved contributions from various inventors and organizations over time. However, a significant milestone in its evolution was marked by the invention of the modern electromagnetic utility locator. Robert M. Schonstedt, an engineer who founded Schonstedt Instrument Company in 1953, is credited with inventing one of the first commercially successful pipe and cable locators based on electromagnetic induction principles. His invention revolutionized the utility locating industry by providing a reliable and efficient method for detecting metallic pipes and cables buried underground. Since then, continuous refinement and innovation by numerous companies and inventors have led to the diverse range of utility locators available today, each contributing to the improvement of safety and efficiency in excavation and construction projects by accurately mapping and identifying underground utilities.
We're the most experienced underground utility and mapping company in Australia.
Other articles
February 8, 2026
The Importance Of Utility Locating
A large natural gas line in north Texas erupted Monday after utility workers accidentally hit the line, sending a massive fireball into the air.
February 8, 2026
The Divining Rod Fallacy: Unmasking the Myth and the Skeptics' Challenge
This post will explore the fallacy of divining rods and the ongoing challenge posed by skeptics, who are offering substantial prize money to anyone who can demonstrate the rods’ effectiveness under controlled conditions.
Ready to see what lies beneath?
With over 250,000 projects completed and more than 2,000 satisfied clients across Australia, Geotrace brings unmatched experience to every site. Our decades in the field mean you get proven accuracy, rapid turnaround, and the confidence to dig with zero surprises underground.
GEOTRACE
AUSTRALIA