To: | "a Propagation Reflector" <propagation@contesting.com>,"a HCDX Prop Channel" <propagation@hard-core-dx.com> |
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Subject: | [Propagation] SIDC Belgium Daily Solar & Geo Report |
From: | "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com> |
Date: | Mon, 20 Dec 2004 12:35:09 -0500 |
List-post: | <mailto:propagation@contesting.com> |
:Issued: 2004 Dec 20 1230 UTC :Product: documentation at http://sidc.oma.be/products/meu #------------------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC (RWC-Belgium) # #------------------------------------------------------------------------------# SIDC URSIGRAM 41220 SIDC SOLAR BULLETIN 20 Dec 2004, 1222UT SIDC FORECAST (valid from 1230UT, 20 Dec 2004 until 22 Dec 2004) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 20 Dec 2004 10CM FLUX: 097 / AP: 003 PREDICTIONS FOR 21 Dec 2004 10CM FLUX: 099 / AP: 002 PREDICTIONS FOR 22 Dec 2004 10CM FLUX: 102 / AP: 003 COMMENT: The flaring activity will remain at a low level, although there is a probability of a C-flare. Two long filaments are now situated near the central meridian and may erupt. The Earth is currently inside the slow solar wind flow. The north - south interplanetary magnetic field component Bz is rather weak and oscillating near zero. We do not expect any significant geomagnetic disturbance in the next 48 hours. END: Submit forecast SOLAR INDICES FOR 19 Dec 2004 SUNSPOT INDEX : 023 10CM SOLAR FLUX : 094 AK CHAMBON LA FORET : 005 AK WINGST : /// ESTIMATED AP : 003 NOTICEABLE EVENTS SUMMARY DAY BEGIN MAX END LOC XRAY OP 10CM RADIO BURST TYPES Catania NOAA NOTE NONE 73, Thomas F. Giella, KN4LF Retired Space & Atmospheric Weather Forecaster Plant City, FL, USA Grid Square EL87WX Lat & Long 27 58 33.6397 N 82 09 52.4052 W kn4lf@arrl.net Propagation eGroup: http://lists.contesting.com/mailman/listinfo/propagation PropNET Beacon Program: http://www.propnet.org HCDX Propagation Channel: http://www.hard-core-dx.com/index.php?topic=Propagation KN4LF Daily Solar Space Weather & Geomagnetic Data Archive: http://www.kn4lf.com/kn4lf5.htm KN4LF HF/MF Radio Propagation Theory Notes: http://www.kn4lf.com/kn4lf8.htm KN4LF Amateur & SWL Radio History: http://www.kn4lf.com/index.htm
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