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From 1997 to 1999 a series of campaigns were undertaken at the Australian Antarctic polar cap station Casey (-80.6o CGM latitude) with the aim of identifying and gaining further understanding of polar patches. The main instrument used for these campaigns was a Lowell Digital Ionosonde (DPS-4)…
For the low sunspot number period of February 1995 to February 1996, the southern hemisphere mid-latitude trough has been studied using the Global Positioning System (GPS) and TOPEX satellite data.
During the period 1993–96, transmissions from the US Navy Navigational Satellite System (NNSS) polar orbiting satellites, received at Casey station (66.28°S, 110.5°E geographic) in Antarctica, were used to investigate the amplitude scintillations at 150 MHz and the Total Electron Content (TEC)…
With the recent advent of Global Positioning System (GPS) satellites as a research tool in studying the ionised regions that surround the Earth, a need has arisen for a simple yet accurate model for the plasmasphere, the region above the ionosphere.
Apparent drift motion of polar cap arcs may be indicative of plasma convection processes in the ionospheric plasma. The dynamics of a number of individual polar cap events observed by a dual wavelength all-sky imager at Scott Base have been analysed in detail. The imager…