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Frequency scintillations of satellite signals before and after the Argus experiments

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1 Author(s)
P. Arendt ; U.S. Army Signal Research and Development Laboratory, Fort Monmouth, NJ, USA

Satellite signals are effected by frequency scintillations in the same manner as radio star emissions. Therefore, the Doppler shift of such signals suffers fluctuations. These alterations are a function of the variations of the electron density distribution along the radio-ray path under observation. The number and the magnitude of these scintillations are used to measure the roughness of the ionosphere (formation of a scintillation index). The paper deals with the alteration of the established scintillation index during a time interval in August and September, 1958, i.e., before, during, and after the well known Argus experiments. The observations indicate that no long-living ionospheric inhomogeneities were produced within the zones of the ionosphere which could be checked from our ground station.

Published in:

IRE Transactions on Antennas and Propagation  (Volume:8 ,  Issue: 1 )