The fluxgate magnetometer is a traditional and well known instrument used in geophysical exploration for decades, mostly due to its small size, good sensitivity, low noise and relatively low power consumption.
How to use it?
Fluxgate magnetometer is widely used on unmanned aircraft systems (#UAV) for #geophysic survey investigating minerals, geologic features, unexploded ordinances (UXOs), or other magnetic subsurface features and environmental monitoring applications.