Even though this presentation was made at the 2005 FDMI Dayton Symposium by Paul Harden NA5N, it is still relevant today. Hopefully it will shed some light on what all the numbers…flux, K-Index, A Index and flares mean and relate Read more…
Category: Archive
Propagation and Space Weather….
QUIET WITH A CHANCE OF FLARES: With only three sunspots on the visible disk of the sun, solar activity is low. NOAA forecasters say there is a slight 5% chance of M-class flares today. The most likely source would be slowly-growing sunspot AR3025 Read more…
EI90IRTS 90th Birthday Special call….
EI90IRTSThe Irish Radio Transmitters Society was founded in 1932 and this year the society celebrates its 90th birthday. To mark the occasion the society has secured the special call-sign EI90IRTS. Since its initial use the call-sign has attracted multiple pile-ups Read more…
Propagation….
NO CME, NO PROBLEM: A coronal mass ejection (CME) was expected to hit Earth’s magnetic field yesterday, May 28th, but it did not. Either the CME missed or it is still coming, moving more slowly than expected. Despite the lack of a CME, Read more…