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Contacts 20m
Quelques contacts intéressants ces derniers jours, en DX mais aussi plusieurs calls spéciaux..... SM200PAX (Suède) PY6HD (Brésil, 8182 km) WX3B (USA, 6148 km) 3Z11EQSLCC (Pologne) DR775DMG...
Solar update 16/05/09
After weeks of little or no sunspots, it is nice to have something to report. Following multiple false starts, quick-fading spots and knots of magnetic activity which never progressed into actual...
Scientists predict solar cycle 24 to peak in 2013
At the annual Space Weather Workshop held in Boulder, Colorado last month , an international panel of experts led by NOAA's Space Weather Prediction Center (SWPC) predicted that Solar Cycle 24...
Pourquoi les ondes de la radio sont-elles sans risque ?
Jean-Luc Nothias 14/05/2009 Les ondes utilisées par France Inter, Europe 1 ou RTL sont dites kilométriques. Celles utilisées pour la radiodiffusion FM sont métriques et donc plus courtes. La...
Galileo and the sunspots
Sunspots are dark areas of irregular shape on the surface of the Sun. Their short-term and long-term cyclical nature has been established in the past century. Spots are often big enough to be seen...
Solar cycle and prop prediction
Although its peak is still four years away, a new active period of Earth-threatening solar storms will be the weakest since 1928, predicts an international panel of experts led by NOAA’s Space...
Solar update 08/05/09
A Solar Cycle 23 spot appeared for two days -- April 29-30 -- in an area that soon rotated out of view. Sunspot numbers were 15 and 12, but for the last seven days, we haven't seen any spots. This...
'Chick Factor" Mother's Day Event
Chick Factor International, our up-and-coming YL-only club, will return to the airwaves on Sunday, May 10, with a special event honoring Mother's Day. Or, as the colorful certificate reads: “In...