Physics
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991angeo...9..126p&link_type=abstract
Annales Geophysicae (ISSN 0939-4176), vol. 9, Feb. 1991, p. 126-132.
Physics
6
Ionospheric Propagation, Radio Waves, Scintillation, Tropical Regions, Very High Frequencies, Diurnal Variations, Fleet Satellite Communication System, Ionospheric Drift, Magnetic Disturbances, Nocturnal Variations, Radio Beacons
Scientific paper
Using the data from a network of low latitude field stations in India, recording the amplitude scintillations on 244 MHz radio beacon signals transmitted from FLEETSAT at 73 deg E longitude, dynamics of patches of irregularities in the F-region have been estimated in E-W as well as N-S directions. The occurrence of scintillations in the Indian sector at a station close to the dip equator has been found to be at a maximum during E-months, less during D-months, and least during J-months. The scintillations are found to be greatly reduced during geomagnetic disturbances. The signature of individual scintillation events have been found to be remarkably identical at an E-W pair of stations seperated by 260 km.
Koparkar P. V.
Pathan B. M.
Rao R. K. D.
Rastogi R. G.
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