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Solar X-rays: Geomagnetic Field:

Aurora Activity

Aurora (also known as "aurora borealis" or "northern lights") is caused by interaction between the Earth's magnetic field and the solar wind (a mix of charged particles blowing away from the sun).  During solar storms, enough of these charged particles make it through to the Earth's upper atmosphere that they interact with the earths natural magnetic field lines.  When enough of these particles collide, energy is released in the form of auroral light.  In addition to creating a pretty light show (mostly in upper latitudes), radio signals scatter off of these particles and can greatly enhance propagation on 6 meters and above. High levels of aurora can also make HF propagation via polar routes difficult.

Thanks to everyone for the QSO's and the QSL cards.

For those contacts that I haven't received QSL cards from at this time, I hope to hear from you soon.

73 de N7MWL

No eQSL's please

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 Last updated on 08.18.07

    N7MWL (c) 2007

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