[TowerTalk] Feeding a Delta Loop

[David Thompson]

I have the second edition of ON4UN's Low Bnad Handbook. He has actual 
expected patterns for each.
73 Dave K4JRB

----- Original Message ----- 
From: "Stuart Browne" <stuartpbrowne at gmail.com>
To: <TowerTalk at contesting.com>
Sent: Wednesday, February 03, 2010 3:28 PM
Subject: [TowerTalk] Feeding a Delta Loop


> I'm looking at installing a Delta Loop for 80 m. on my 75' tower. The low
> end of the triangle will be about 20' off the ground ( the tower is on my
> rooftop (flat).  I know that the conventional wisdom is a feed point in 
> the
> center of the lower side of the equilateral triangle which is around 50
> ohms.  ON4UN describes feeding a DL at 1/4 wl from the Apex of the 
> triangle
> to achieve a 23 deg take off angle (which is what I'm after).
>
> I'm looking for any "real world" feedback as to the pros/cons of feeding a
> DL at the apex, lower center, corner or 1/4wl from the apex.
>
> 73's,
> Stu
> WH6H
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