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Ap indexIn solar-terrestrial terms, an averaged planetary A Index based on data from a set of specific stations.
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Ap indexIn solar-terrestrial terms, an averaged planetary A Index based on data from a set of specific stations.
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Ap indexFormally the daily Ak index, determined from the eight daily ap indices. However, for daily operational uses (since several weeks are required to collect the data and calculate the index), the Air Force Weather Agency estimates the value of the Ap index by measuring the geomagnetic field in near-real time at several Western Hemisphere magnetometer [..]
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Ap indexA mean, 3-hourly “equivalent amplitude” of magnetic activity based on K index data from a planetary of 11 Northern and 2 Southern Hemisphere magnetic observatories between the geomagnetic latitudes of 46 and 63 degrees. ap values are given in units of 2 nT.
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Ap indexA daily index determined from eight ap index values.
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Ap indexIn solar-terrestrial terms, an averaged planetary A Index based on data from a set of specific stations.
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