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What infos ares displayed?
The datas are provide from the lasts 250 dx spots.
- the number of spots on each band - a bargraph relative to the umount of spots for each band - if the bar is bleue, that's mean that the activity on the band is normal or less. - if the bar is yellow, the activity of the band is above the normal. - derivated rate of the dx spots (average/hour). - some informations about the sun like SFI and SSN . - the 4 lasts dx spots How "normal" band activity is estimated? For each band a statistic spot/mn indice was estimated from more than 3 millions of dxspots. This amount of spots were collected on the cluster network other the pasts 3 years. By this way, the actual activity of a band is compare with the "normal" activity estimated earlier. Some weighting have to be done, because of the time dependent activity of each band (ie: 80m is more active during the night than in the daylight). http://www.n0nbh.com |