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The Digital All Sky Imager (DASI) gives estimates of the precipitation patterns of soft electrons (< 10 KeV), while the recordings of the cosmic radio noise absorption made by IRIS at 38.2 MHz provides estimates of the precipitation patterns of hard electrons (> 10 KeV). The figures below illustrate the comparison of IRIS and DASI images for 13th February 1996, and were presented at the EGS meeting, Nice, France, April 1998.

DASI image
IRIS image


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