While I have some personal experience with the development and installation of
diversity
systems operating in the microwave spectrum for path reliability particularly
in areas
where there are significant path objects, very long paths and above average
rainfall,
I've not worked with it at MF or HF.
An excellent white paper on diversity for digital microwave systems can be
found at:
(PDF file)
http://www.tandbergtv.com/pdfs/diversityv3.pdf<http://www.tandbergtv.com/pdfs/diversityv3.pdf>
And another article on diversity reception techniques:
(PDF file)
http://www.lectrosonics.com/catalogs/UHFcat0303_05.pdf<http://www.lectrosonics.com/catalogs/UHFcat0303_05.pdf>
However, I know of an informative article that does refer to amateur
experiments in some detail including
those done by H.H. Beverage and others in the 1930's:
http://www.radioblvd.com/DiversityDD1.html<http://www.radioblvd.com/DiversityDD1.html>
73, Jim, K1PX
K1PX@msn.com<mailto:K1PX@msn.com>
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