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PROPAGATION
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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 movie of the sunspot activity on the Sun for the latest 48 hours (NASA/SOHO keep changing the available movies so expect anything), 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 almost 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 25-Oct-14
Space Weather
Moderate
GEOMAGNETIC
STORMS
RADIO
BLACKOUTS
SOLAR
RADIATION
STORMS
None R2 S1
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
AUGSFA AUGSFA SEPSFA OCTSFA NOVSFA
215611 3012315 2718115 25-- 22--
31527 3112515 281818 26-- 23--
413912 S 112711 2917510 27-- 24--
513910 213610 3016215 28-- 25--
61377 313810 O 115510 29-- 26--
71366 41467 21498 30-- 27--
81238 51448 31374 31-- 28--
91134 61579 41286 N 1-- 29--
101089 71518 51286 2-- 30--
111057 81646 61306 3-- D 1--
1210411 91598 71256 4-- 2--
131036 101609 81269 5-- 3--
141034 1115112 911914 6-- 4--
151135 1215244 101219 7-- 5--
161123 1314513 1111210 8-- 6--
171157 141393 121115 9-- 7--
181115 151333 131137 10-- 8--
1911116 161337 1412018 11-- 9--
201186 171256 1512611 12-- 10--
2112810 181208 161397 13-- 11--
221264 1912222 171468 14-- 12--
231325 201196 1816015 15-- 13--
241414 211247 1917311 16-- 14--
251354 221309 2018526 17-- 15--
261284 2313811 2119915 18-- 16--
2712320 2414525 2221614 19-- 17--
2811921 2515813 2322711 20-- 18--
2912020 2617014 2421811 21-- 19--


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