Resolution No.10 (1991): Establishment of national networks of magnetic repeat stations

IAGA recognising the importance of magnetic repeat station observations for determining the geomagnetic secular variation in regions without magnetic observatories, and noting that an accurate knowledge of the secular change of the geomagnetic filed is essential for updating global and regional magnetic survey data sets, urges that national networks of magnetic repeat stations be established, maintained and operated at the highest possible level of accuracy, and that all magnetic repeat station survey data be sent promptly to World Data Center-A, using the format recommended by IAGA.

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