>I haven't seen anybody mention the advantage of eliminating multi path
>fading problems with SS.

Afaik no commercial band permitting SS is wide enough to allow the SS to
'overcome' standing wave 'holes' easily. Space diversity works much better
(at least two antennas at least at the base station). The SS can be
equated to space diversity antennas at a given distance (expressed in
lambdas). Since the band is narrow, this distance will be small wrt. what
can be achieved by simply putting the second antenna N/4 lambdas (or some
other well chosen number) away from the first. To achieve the same effect
with SS you would need a bandwidth of 25%.  Only the military can afford
that sort of thing or so I think.

Peter

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