American Radio Relay League | Ham Radio Association and Resources

• The ARRL Solar Update

  Solar activity was at high levels for most of the week, dominated byRegion 4366. The most notable event was an impulsive X4.2 flare fromthat region on February 4. Throughout the period, Region 4366continued to exhibit a slight reduction in area and a modestsimplification of its magnetic complexity. The remaining numberedregions on the visible disk remained stable or in a state of slightdecay. T...

• NCVEC Question Pool Committee Removes Three Questions from Use

• ARRL Joins America250 as a Supporting Partner for the Nation’s 250th Anniversary