Seasonal model of the diffuse, monoenergetic, proton, and wave aurora.
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A web interface for running the model for historical periods is available here:
http://sd-www.jhuapl.edu/Aurora/ovation_prime/prime_display.html
Realtime versions are running here:
http://www.ngdc.noaa.gov/stp/ovation_prime/
http://www.swpc.noaa.gov/ovation/
Ytk is a Tcl/Tk program which adds menus, buttons and features to the basic command line driven Yorick program and language. It also enables usage of all Tcl/Tk widgets and functions including buttons, sliders, checkboxes, and other typical TK widgets to