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NOAA NCEI Ocean Geo on Twitter: "The aviation industry uses our World Magnetic Model software and online calculators to update navigation aids: https://t.co/z6IKpW81O8 @CIRESnews #DataDiscoveryMonth https://t.co/vKDj15nGUo" / Twitter
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Comparison of the World Magnetic Model 2015 and a least squares fit to... | Download Scientific Diagram
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