[Lowfer] D Region Absorption Prediction Map

[Dexter McIntyre W4DEX]

listread at lwca.org wrote:
> One would need to check with NOAA to  see if the data are being generated,
> but it is possible that the graphic is correct.  It has been quite some
> time now since there has been more than an A-class X-ray flare to generate
> an absorption event.
>
>   
Apparently you are correct John.  Looks like the last significant flare 
was on 24 July 16.  The map archive for that date does show the enhanced 
D Layer ionization:

http://www.ngdc.noaa.gov/stp/drap/data/2016/07/24/SWX_DRAP20_C_SWPC_20160724172300_GLOBAL.png

Dex