Magnetometer Types
Magnetometers for non-space use evolved from the 19th to mid-20th centuries, and were first employed in spaceflight by Sputnik 3 in 1958. A main constraint on magnetometers in space is the availability of power and mass. Magnetometers fall into 3 major categories: the fluxgate type, search coil and the ionized vapor magnetometers. The newest type is the Overhauser type based on nuclear magnetic resonance technology.
Read more about this topic: Spacecraft Magnetometer
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