I wonder if they had read the report mentioned by Chuck Hutton a few days ago:
http://downloads.bbc.co.uk/rd/pubs/reports/1968-45.pdf
It would seem to shed some light on what they observed.
There are other, more theoretical, papers of similar vintage that
address the issue for those who want to get deeply into it.
73,
Nick
VE7DXR
At 00:22 15-08-14, you wrote:
FWIW, here's a site where someone apparently did some tests. Someone posted
it on eHam the other day in a similar discussion.
http://www.k2kw.com/verticals/verticalinfo.htm
73, Mike
www.w0btu.com
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