At 07:52 AM 4/19/2006, firstname.lastname@example.org wrote:
> I would also suggest you search on NVIS or Near Vertical Incidence
> Skywave and Vietnam. As Jim writes (below) much of the propagation
> research through forests was done in the 60s and 70s in southeast Asia
> during that conflict. NVIS was especially valuable to the US Special
> Forces who used HF to communicate to their HQs in the days before cheap
> and compact stacom radios.
Indeed.. there's a bunch of work done by George Hagn at SRI back then. A
lot of it seems only to have been described in reports that are not
particularly available. It certainly hasn't made available in the ham
literature. There might be some conference papers in, for instance, ACES.
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