Ground level enhancement of the solar cosmic rays on January 20, 2005. A.V. Belov (a), E.A. Eroshenko (a), H. Mavromichalaki (b), C. Plainaki(b), V.G.
Frequency dependence of the solar-cycle frequency variation
General Licensing Class “G3” Presented by the Acadiana Amateur Radio Assoc. Lafayette, Louisiana.
