The Government has offered Australia's three mobile operators, and vividwireless, renewal of their existing spectrum allocated on 15 year licences in the late 90s and early 2000s at set prices, while the Government expects to rake in $3 billion.
Dr. Ian R. Mann, another author of the study, stated, "We see the benevolent side of space storms in the form of the Northern Lights. When electrically charged particles speed toward Earth and buffet the atmosphere, the result is often a dancing, shimmering light over the polar region." [TakeFreeTime.com: “Magnetic Tremors Pinpoint the Impact Epicenter of Earthbound Space Storms”]
Their ability to observe the origins of the impact of the solar storm over the Earth’s atmosphere will great enhance our ability to predict such space storms and, hopefully, to better protect our electronic equipment, power grids, and satellites, on and above the Earth.
Their abstract states, “In this paper, we present case studies of the optical and magnetic signatures of the characteristics of the first minute of substorm expansion phase onset observed in the ionosphere.”
“We find that for two isolated substorms, the onset of magnetic pulsations in the 24–96 s period wavelet band are colocated in time and space with the formation and development of small-scale optical undulations along the most equatorward preexisting auroral arc prior to auroral breakup. These undulations undergo an inverse spatial cascade into vortices prior to the release of the westward traveling surge.”
“We also present a case study of a multiple activation substorm, whereby discrete onsets of ULF wave power above a predetermined quiet time threshold are shown to be associated with specific optical intensifications and brightenings.”
“Moreover, in the multiple activation substorm event, we show that neither the formation of the small-scale undulations nor the formation of similar structures along a north–south aligned arc is sufficient to produce auroral breakup associated with expansion phase onset. It is only [about] 10 min after these two disparate activation regions initiate that auroral breakup and the subsequent formation of a westward traveling surge occur.”
“We discuss the implications of these results in terms of the triggering mechanisms likely to be occurring during these specific events.”
David Bass
| ComOps, a leading Australian provider of business software products and services, has won a competitive tender to deploy its Salvus safety, r…
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