Hugh M0DSZ
On 08/11/2015 21:05, Paul Nicholson wrote:

> I remember to have read somewhere thate (French?) military
> in the Sahara desert just put a dipole antenna on the
> sand on top of a dune and it worked fine.

Somewhere I have a paper describing something like that.
I recall an antenna at ground level or actually a little
buried, and its effective height was related to the depth
of the water table below the dry sand.  Maybe a well or
borehole was used to connect to the 'ground' plane.

I'll see if I can find it.
--
Paul Nicholson
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