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PROPAGATION INFORMATION

Everything we do on the air depends on propagation. If propagation is good, we work the DX, if it's poor, we complain about it. On this page we have a picture from the Solar Dynamics Observatory of the latest sunspot activity on the Sun, current propagation data, predictions of conditions for the next 24 hours, a table of solar and ionospheric activity for the past 4 months or so, the very latest K-index and X-Ray data from NOAA/SEC, a graph showing the progression of the latest sunspot cycle, a movie of the entire 360 degrees of the Sun's surface from the STEREO satellite, and the latest WWV propagation bulletin. See the description page for a brief explanation of the data.


For more data go to http://sdo.gsfc.nasa.gov/data/

PREDICTIONS for 24-Apr-14
Space Weather
Quiet
GEOMAGNETIC
STORMS
RADIO
BLACKOUTS
SOLAR
RADIATION
STORMS
None None None
CURRENT
Solar X-Rays  -  Solar X-Rays
Geomagnetic Field  -  Geomagnetic Field
http://www.sec.noaa.gov/NOAAscales/ explains the above info
Solar Terrestrial Data

DAILY SOLAR FLUX AND A-INDEX VALUES
JANSFA FEBSFA MARSFA APRSFA MAYSFA
181302 1516211 151394 1213625 10--
191282 1615422 161363 1313716 11--
201373 171525 171363 141508 12--
211468 181517 181386 151626 13--
221439 1915847 191495 161845 14--
231366 2015639 201516 1717911 15--
241365 2115712 2115310 181727 16--
251365 2216314 221556 1916915 17--
261386 2317217 231576 2016322 18--
271444 241717 241595 2115918 19--
281575 251744 251538 221455 20--
291567 261784 261539 231366 21--
301615 2717624 271457 24-- 22--
311663 2817113 281468 25-- 23--
F 11774 M 11657 291438 26-- 24--
21904 21615 301485 27-- 25--
31886 31617 311527 28-- 26--
41885 41588 A 11536 29-- 27--
51944 51497 21555 30-- 28--
61919 61496 31536 M 1-- 29--
71788 71484 41576 2-- 30--
817223 81424 514214 3-- 31--
916918 91463 61415 4-- J 1--
1016112 101526 714011 5-- 2--
111726 111654 81325 6-- 3--
121609 121486 91315 7-- 4--
131673 1314813 101373 8-- 5--
141674 141445 111388 9-- 6--


Propagation Graph

XRay Graph Graph

Cycle 23 graph

The following pictures show views of portions of the Sun not visible from Earth. For info see here.

STEREO BehindSTEREO movieSTEREO Behind