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In the period 28 November 1971 to 12 February 1972. during three passages of the North Atlantic. the diurnal variation of ionospheric absorption L was measured by method Al at 1. 7 and 5. 0 MHz as a function of geographic and geomagnetic parameters. The measurements were carried out. applying a new equipment especially designed for mobile expeditions. on board a cargo vessel (mv "Hanau" of Hapag 0 0 0 0 -Lloyd) moving between Hamburg (53 N; 10 E) and La Guaira (11 N; 67 W). Simultaneously. in the framework of the European Cooperation on Winter Anomaly studies. measurements of absorption were made at various other locations and the data used as a basis for comparison [circuits Norddeich-Lindau 0 0 0 0 (A3; 2. 61 MHz; 52. 6 N; 8. 7 E) and Aranjuez-Balerma (A3; 2. 83 MHz; 38. 6 N; 5. 2 W). station Lan 0 0 caster (AI; 2. 14 MHz; 53 52' N; 2 45' W) 1 . Aboard. the diurnal variation of absorption showed large modifications from day to day. The behaviour of L (cos X = 0. 2) waS somewhat different at each passage 0 0 but showed a common trend: The winter anomaly vanished in a transit zone between 34 and 44 N cen 0 tered at about 39 N; the same was true for the behaviour of L (cos X = 1).
| Autorius: | W. Barke, W. Elling, K. H. Geisweid, R. Zellermann, A. Loidl, C. Römer, H. Schwentek, G. Heimesaat, |
| Serija: | Mitteilungen aus dem Max-Planck-Institut für Aeronomie |
| Leidėjas: | Springer Berlin Heidelberg |
| Išleidimo metai: | 1974 |
| Knygos puslapių skaičius: | 36 |
| ISBN-10: | 3540066608 |
| ISBN-13: | 9783540066606 |
| Formatas: | 280 x 210 x 3 mm. Knyga minkštu viršeliu |
| Kalba: | Anglų |
Parašykite atsiliepimą apie „The Southern Boundary Region of the Winter Anomaly in Ionospheric Absorption in Winter 1971/72 Observed on Board the Cargo Vessel ¿Hanau¿ of Hapag-Lloyd Moving between 10° and 55° N“
