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Old February 6th 11, 11:15 PM posted to rec.radio.shortwave
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Default Designing and Laying-Out a Better SWL "Sloper" Antenna for ShortwaveRadio Listeners

On 02/06/2011 03:04 PM, RHF wrote:
On Feb 6, 9:10 am, wrote:
On Feb 6, 2:32 am, wrote:
.



- Otherwise, I would have put the whole thing up high,
- or possibly sloped with the unun end down.


- - Better would be to have the Feed-in-Line running
- - 4"~6" below the Ground directly under the Wire
- - Antenna Element all the way out to the UnUn and
- - Ground Rod; with the Antenna Element Sloping-Up
- - back over the 'lay' of the Feed-in-Line.
- -
- - ~ RHF

- Why is the alignment important?

BpnJ : ? Alignment = Lay-Out = By-Design !

Many Types and Configurations of "Sloper" Antennas
http://groups.google.com/group/rec.r...7a96ab218b8103

NOTE : The "Sloper" Antenna normally needs a better
more consistent Earthen Ground under it than an
Elevated Horizontal "Flat" Wire Antenna.
* The "Sloper" Antenna is more of a 'Ground Reflective'
Aerial
* * The Elevated Horizontal "Flat" Wire Antenna is more
of a 'Free Space' Aerial. {Higher Up and Away from the
Earth 'Ground'}
.


The sloper's a vertical and needs a bottom half. Grounds work better 6
feet in the air than 6 inches below the earth. All antennas are dipoles.
 
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