[Antennas] "Perfect Dipole"

tttt ccccc [email protected]
Wed, 5 Mar 2003 14:01:48 -0500


I had a "crossed dipole" system up 60'.  E-W was a 40 meter dipole, N-S
was an 80

meter dipole with a 40m dipole underneath it.  Both fed via a toroid
balun and a

DPDT relay.  These were very nearly at 90 degrees, and at the same height
and

plane.

About 1 out of 20 times, changing the 40m orientation would have a
detectable effect 

on heard signal.  Typically, this was going from "I think there is
something there" to

barely hearing the station.  CW operation.  

I am currently using a trap beam element pair as a rotary dipole.  I
detect little, if any,

directivity, even stations off the ends are unchanged.

73,

Tim  K3HX

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