Magnetic Maps and Models for Alternative Navigation
Rick Saltus,
Patrick Alken,
Annette Balmes
et al.
Abstract:Magnetic navigation requires the comparison of onboard magnetic sensor measurements to reference magnetic maps and models. Magnetic maps and models are available at a wide range of scales and scope. At any given location, measurements of the ambient magnetic field are the sum of various components, including sources internal and external to the Earth. This paper discusses maps and models of the internal components sourced in the core and lithosphere of the Earth. The long-wavelength, slowly-time-varying core f… Show more
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