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[CQ-Contest] Solar Wind Speed Shock detected - Geo-Storm in 12hours : Up

To: proplist <PSC.Committee@rsgb.org.uk>, propagation@contesting.com,PropNET-Online@yahoogroups.com, CQ-Contest@contesting.com,vhf@w6yx.stanford.edu, vhfplus@bmg50.com, dxld@yahoogroups.com,hard-core-dx@hard-core-dx.com, swl@mailman.qth.net,amfmtvdx@mailman.qth.net
Subject: [CQ-Contest] Solar Wind Speed Shock detected - Geo-Storm in 12hours : Update 0716 UTC 17-I-2005
From: "NW7US, Tomas" <nw7us@hfradio.org>
Date: Sun, 16 Jan 2005 23:45:08 -0800
List-post: <mailto:cq-contest@contesting.com>
In addition to the Energetic Ion Enhancement Event of 0640 UTC 17-I-2005 (see my last update), a moderate shock has been detected in the solar wind speed at 0716 UTC, 17-I-2005. The plasma density change was 3.4 part/cc, with an increase in speed of 78 km/s, and a temperature increase of 171,851.9 degrees K. The Bz went from -0.3 to -1.2 at the same moment. This is a precursor to the beginning of geomagnetic storminess within 12 hours.

73 de Tomas, NW7US (AAR0JA/AAA0WA)

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