Winter anomaly observations at the Panská Ves Observatory (Czechoslovakia), 1971–1973 |
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| Authors: | Jan Laštovička Pavel Tříska Reviewer J Prokop |
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| Institution: | (1) Geophysical Institute, Czechosl. Acad. Sci., Prague |
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| Abstract: | Summary The results of the winter anomaly observations at the Panská Ves Observatory on 2775 kHz and 2614 kHz (A3 method, feq 1 and 0.8 MHz) are studied for the winters of 1971/72 and 1972/73. Ionospheric responses to minor (1972) and major stratospheric warmings are found to be different and relatively small. A regular winter-anomaly background absorption increase with a maximum in January was observed during both winters studied. Magnetic storms are found to play an insignificant, if any, role in the winter-anomaly phenomenon. The relation between magnetic activity and ionospheric absorption seems to be better in non-anomalous periods. |
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