Near-Real-Time Web-based Interactive Data Access

Statistics – Applications

Scientific paper

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2431 Ionosphere/Magnetosphere Interactions (2736), 2494 Instruments And Techniques, 2753 Numerical Modeling, 6979 Space And Satellite Communication, 9310 Antarctica

Scientific paper

The technology needed for real-time interactive data acquisition and processing has advanced to the point that data even from remote observatories can be examined using common computers with access to the internet. The hardware on networked server computers can now store high time resolution data spanning years of observations, at minimal cost. Software developed for laboratory analysis of data can now be made available to the general community, using server software that permits dynamic access to the data and software resources. National Science Foundation sponsored research in the Arctic and Antarctic regions has produced an extensive database dating from January, 1982, from multiple observatories, and incorporating measurements from induction (searchcoil) and fluxgate magnetometers, band-pass filtered very-low-frequency (VLF) radio wave receivers, photometers, and multiple-frequency broadbeam and imaging riometers, at time resolutions as short as 0.1 s. Internet access to the remote data acquisition servers via satellite has enabled the database to be updated nearly in real-time. Plans are now being implemented to acquire additional data using Iridium communications channels, which permit actual real-time data access from multiple remote observatories. We describe a developing web-based system that permits data from this database to be plotted interactively using common web browsers, and which includes the capability for accessing processed data files in multiple formats that enables the data to be incorporated easily into other applications.

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