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by fpoling
445 days ago
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If one needs location, then the magnetic field can be measured directly. It is already considered as a potential alternative for GPS, https://www.electronicdesign.com/markets/automation/article/... The main problem is that locally measured Earth magnetic field varies on a daily basis and is strongly influenced by solar storms. A better alternative is to use variations in Earth gravity to improve inertial navigation. That vastly more stable. |
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