Shortwave Fadeout Monitor
Shortwave Fadeout events through North America side SuperDARN radars echo count analysis.
How to use this calendar
Click on any date to check shortwave fadeout events. Circular colored dates indicate solar flare activity: Green circles = C-Class, Orange circles = M-Class, Red circles = X-Class.
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Solar Flare Classification
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No Flare
C
C-Class
M
M-Class
X
X-Class
How to use: Click on any colored date to view detailed flare plots for that day. Event counts per class are shown on dates (e.g., "2X 1M 3C") and in tooltips.
Explore SWF Events
Click any colored date above to analyze SuperDARN echo count patterns and discover shortwave fadeout events detected by North American radars.
What you'll see:
SuperDARN echo count time series
SWF event phase markers
Ionospheric impact analysis