American Geophysical Union Become an AGU Member
Subscribe to AGU Journals		 AGU Home AGU Publications

Read Full Article (file size: 503197 bytes)    Cited by

RADIO SCIENCE, VOL. 39, RS5014, doi:10.1029/2002RS002852, 2004

Geometrical control of scintillation indices: What happens for GPS satellites

B. Forte

Abdus Salam International Centre for Theoretical Physics, Trieste, Italy


S. M. Radicella

Abdus Salam International Centre for Theoretical Physics, Trieste, Italy


Abstract

Geometrical control of the effective outer scale imposed by detrend filtering, in the presence of highly anisotropic irregularities, explains differences between scintillation indices ratio at different locations. On the basis of weak scatter theory results, the behavior of the geometrical factor G, responsible for static effect of diffraction, is investigated in the case of GPS satellites. A simple comparison is made between GPS satellites and polar orbiting satellites used in the past for scintillation experiments to understand such differences in the behavior of scintillation indices measured by means of GPS scintillation monitors.

Received 4 December 2002; accepted 18 August 2004; published 27 October 2004.

Keywords: scintillation; GPS satellites; weak scatter theory.

Index Terms: 2407 Ionosphere: Auroral ionosphere (2704); 2439 Ionosphere: Ionospheric irregularities; 2487 Ionosphere: Wave propagation (6934); 0669 Electromagnetics: Scattering and diffraction.

Read Full Article (file size: 503197 bytes)    Cited by

Citation: Forte, B., and S. M. Radicella (2004), Geometrical control of scintillation indices: What happens for GPS satellites, Radio Sci., 39, RS5014, doi:10.1029/2002RS002852.