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04. Solid Earth::04.03. Geodesy::04.03.06. Measurements and monitoring
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04. Solid Earth::04.05. Geomagnetism::04.05.05. Main geomagnetic field
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04. Solid Earth::04.05. Geomagnetism::04.05.08. Instruments and techniques
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Antarctica
1
Geomagnetic field
1
antartica
1
geomagnetic observatory
1
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