Category Archives: Radio Propagation

Solar storm & Southern Aurora Lights Alert: The season begins!

Posted on May 29, 2011 by f1jxq

The recent period of low solar activity seems to be over. Sunspots appear everywhere on the solar disk and one of them the 1226 sunspotactivity shows a very strong, creating a geomagnetic storm on Earth. Solar wind speed 643.2 km / sec, density of 2.4 protons/cm3. So far, none of these blasts had no effect on the earth, but this is changing as the active region turned toward Earth in the coming days. This activity allow us these beautiful pictures of Southern Aurora Lights by Ian Stewart via spaceweather.com, aurora australis, seen in Tasmania, Australia May 29, … Continue reading →

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Propagation and radio report #1 from TO1USB

Posted on August 4, 2007 by f1jxq

First report from Guadeloupe Island for 2-3-4 august 2007 : The conditions of propagation are very low, probably the badest I ever seen from years here in Guadeloupe Island. The good news is that it can’t be more low, and … Continue reading →

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ARLP032 Propagation report de K7RA

Posted on August 3, 2007 by f1jxq

ARLP032 Propagation de K7RA Average daily sunspot numbers rose very little this week, less than 6 points to 7.3. There were no major geomagnetic upsets, only slightly unsettled conditions on the first day of August 2007.

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