SIDC URSIGRAM 41024 SIDC SOLAR BULLETIN 24 Oct 2004, 1155UT SIDC FORECAST (valid from 1230UT, 24 Oct 2004 until 26 Oct 2004) SOLAR FLARES : Active (M-class flares expected, probability >= 50%) GEOMA
SIDC URSIGRAM 41025 SIDC SOLAR BULLETIN 25 Oct 2004, 1243UT SIDC FORECAST (valid from 1230UT, 25 Oct 2004 until 27 Oct 2004) SOLAR FLARES : Active (M-class flares expected, probability >= 50%) GEOMA
Antipodal focusing is an accepted propagation mode in the MF/HF frequency SWL and amateur radio communities and many stories abound concerning very long range reception of relatively weak transmitted
SIDC URSIGRAM 41026 SIDC SOLAR BULLETIN 26 Oct 2004, 1225UT SIDC FORECAST (valid from 1230UT, 26 Oct 2004 until 28 Oct 2004) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEO
SIDC URSIGRAM 41027 SIDC SOLAR BULLETIN 27 Oct 2004, 1214UT SIDC FORECAST (valid from 1230UT, 27 Oct 2004 until 29 Oct 2004) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEO
SIDC URSIGRAM 41028 SIDC SOLAR BULLETIN 28 Oct 2004, 1232UT SIDC FORECAST (valid from 1230UT, 28 Oct 2004 until 30 Oct 2004) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEO
SIDC URSIGRAM 41029 SIDC SOLAR BULLETIN 29 Oct 2004, 1239UT SIDC FORECAST (valid from 1230UT, 29 Oct 2004 until 31 Oct 2004) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEO
It appears that we will see "some" HF/MF higher latitude propagation path degradation during the CQ WW DX SSB Contest over the weekend. The culprit will be increasing geomagnetic indices due to a geo
Just as I predicted propagation conditions have worsened. 73, Thomas F. Giella, KN4LF Retired Space & Atmospheric Weather Forecaster Plant City, FL, USA Grid Square EL87WX Lat & Long 27 58 33.6397 N
SIDC URSIGRAM 41030 SIDC SOLAR BULLETIN 30 Oct 2004, 1106UT SIDC FORECAST (valid from 1230UT, 30 Oct 2004 until 01 Nov 2004) SOLAR FLARES : Active (M-class flares expected, probability >= 50%) GEOMA
Right now the MF/HF propagation degradation is minor to moderate and hopefully it will not get worse the remainder of the weekend. Between the intense solar flaring and building energetic proton even
SIDC URSIGRAM 41031 SIDC SOLAR BULLETIN 31 Oct 2004, 1223UT SIDC FORECAST (valid from 1230UT, 31 Oct 2004 until 02 Nov 2004) SOLAR FLARES : Active (M-class flares expected, probability >= 50%) GEOMA
SIDC URSIGRAM 41101 SIDC SOLAR BULLETIN 01 Nov 2004, 1136UT SIDC FORECAST (valid from 1230UT, 01 Nov 2004 until 03 Nov 2004) SOLAR FLARES : Active (M-class flares expected, probability >= 50%) GEOMA
SIDC URSIGRAM 41102 SIDC SOLAR BULLETIN 02 Nov 2004, 1203UT SIDC FORECAST (valid from 1230UT, 02 Nov 2004 until 04 Nov 2004) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEO
SIDC URSIGRAM 41103 SIDC SOLAR BULLETIN 03 Nov 2004, 1215UT SIDC FORECAST (valid from 1230UT, 03 Nov 2004 until 05 Nov 2004) SOLAR FLARES : Active (M-class flares expected, probability >= 50%) GEOMA
SIDC URSIGRAM 41104 SIDC SOLAR BULLETIN 04 Nov 2004, 1208UT SIDC FORECAST (valid from 1230UT, 04 Nov 2004 until 06 Nov 2004) SOLAR FLARES : Major flares expected (X-class flares expected, probabilit
SIDC URSIGRAM 41105 SIDC SOLAR BULLETIN 05 Nov 2004, 1221UT SIDC FORECAST (valid from 1230UT, 05 Nov 2004 until 07 Nov 2004) SOLAR FLARES : Major flares expected (X-class flares expected, probabilit
SIDC URSIGRAM 41106 SIDC SOLAR BULLETIN 06 Nov 2004, 1151UT SIDC FORECAST (valid from 1230UT, 06 Nov 2004 until 08 Nov 2004) SOLAR FLARES : Major flares expected (X-class flares expected, probabilit
In the past four days we have seen 3-4 Earth directed full halo coronal mass ejections occur in association with a series of M and X class solar flares. I expect to see severe geomagnetic storming at
SIDC URSIGRAM 41107 SIDC SOLAR BULLETIN 07 Nov 2004, 1234UT SIDC FORECAST (valid from 1230UT, 07 Nov 2004 until 09 Nov 2004) SOLAR FLARES : Major flares expected (X-class flares expected, probabilit