DISCLAIMER

The following text is the translation of an article published in the WORLDRADIO Magazine,
October 2006, by Ken NEUBECK W2AMU

I would like to thank the author and the manager of this publication who gave me the
authorisation on April 10, 2007 to publish this study on the website www.50mhz.fr

A special thank to misters CARTER and FORBES for their studies on this phenomena.

This article is protected by the Copyright . Any reproduction or redistribution by any process,
of this article even partial, is strictly forbidden without the authorisation of the author.

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