D-Region Absorption Prediction

Presented by the NOAA/Space Environment Center

Updated: 2005 Sep 15 2356 UTC       Current Xray Flux:X10

World map showing frequency degredation in the D-region
Documentation     Tabular Values     Latest X-ray Flux Plot

Animations
Viewing animations requires large virtual memory and a high speed internet connection.
Last 2 hours Java Applet   Javascript

Bastille Day x-ray event (Jul 14, 2000) Java Applet   Javascript
An X22 x-ray event (Apr 02, 2001) Java Applet   Javascript
An X17 x-ray event (Oct 28, 2003) Java Applet   Javascript
An X10 x-ray event (Oct 29, 2003) Java Applet   Javascript
An X28 x-ray event (Nov 04, 2003) Java Applet   Javascript
An X3 x-ray event (Jul 16, 2004) Java Applet   Javascript

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