[Elecraft] Diversity Receive
Guy Olinger K2AV
olinger at bellsouth.net
Thu Sep 30 12:16:58 EDT 2010
On 40 meters and up, I use transmitting antennas at 90 degree offset. 90
degree offset dipoles on 40 deliver a surprising separation on weak dx
signals who don't have the big towers and beams. At high incoming angles
the offset dipoles separate the signals by incoming polarization.
73, Guy.
On Thu, Sep 30, 2010 at 11:55 AM, Craig D. Smith <craig at powersmith.net>wrote:
> I have the Clifton active whip as well as a K9AY, and use both with
> diversity RX. The Clifton is a fine choice as an alternative RX and
> diversity antenna. Note that both the Clifton and K9AY are vertically
> polarized. Ideally your diversity antennas should have opposite
> polarization and adequate physical separation. I'm in a cramped location
> here and the most separation between any two antennas is about 70 ft, so
> far
> from ideal, especially on the low bands. When I use my temporary doublet
> for a Xmit antenna, I normally use that in conjunction with either the
> Clifton or the K9AY for diversity. When I use my Xmit vertical, I
> typically
> use the Clifton and the K9AY together for diversity RX. In spite of the
> less than optimal arrangements here, I still find that diversity RX is
> quite
> worthwhile, and enjoy the way it is implemented in the K3.
>
> 73 Craig AC0DS
>
> <> I wonder how the
> <> small active antenna produced by Clifton Labs would work as a diversity
> antenna on the
> <> HF bands. I have a K9AY loop that works well on 160 and 80 meters but
> its dead on
> <> other bands..
>
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