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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 20-Oct-14
Space Weather
Minor
GEOMAGNETIC
STORMS
RADIO
BLACKOUTS
SOLAR
RADIATION
STORMS
None R1 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
JULSFA AUGSFA AUGSFA SEPSFA OCTSFA
51934 215611 3012315 2718115 25--
62015 31527 3112515 281818 26--
71986 413912 S 112711 2917510 27--
82016 513910 213610 3016215 28--
91987 61377 313810 O 115510 29--
101778 71366 41467 21498 30--
111666 81238 51448 31374 31--
121456 91134 61579 41286 N 1--
131275 101089 71518 51286 2--
141099 111057 81646 61306 3--
151017 1210411 91598 71256 4--
16925 131036 101609 81269 5--
17895 141034 1115112 911914 6--
18893 151135 1215244 101219 7--
19863 161123 1314513 1111210 8--
20873 171157 141393 121115 9--
21905 181115 151333 131137 10--
22935 1911116 161337 1412018 11--
23996 201186 171256 1512611 12--
241045 2112810 181208 161397 13--
251076 221264 1912222 171468 14--
261177 231325 201196 1816015 15--
271215 241414 211247 1917311 16--
281329 251354 221309 20-- 17--
291424 261284 2313811 21-- 18--
301525 2712320 2414525 22-- 19--
311565 2811921 2515813 23-- 20--
A 116810 2912020 2617014 24-- 21--


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