[Top] [All Lists]

Re: [TowerTalk] 80 Meter Delta Loop

To: Dennis W0JX <>, "" <>
Subject: Re: [TowerTalk] 80 Meter Delta Loop
From: Dick Green <>
Date: Thu, 11 Oct 2012 18:07:00 +0000
List-post: <">>
I feed my 75'-high right-angle 80m delta loop 1/4 wave from the apex, which 
puts it about 12.5 feet up one side from one of the lower corners. I get a 
decent match, but have added a 1/4-wave 75-ohm coax stub for matching to the 
50-ohm feed line. Works very well.

73, Dick WC1M

> -----Original Message-----
> From: Dennis W0JX []
> Sent: Thursday, October 11, 2012 11:20 AM
> To:
> Subject: [TowerTalk] 80 Meter Delta Loop
> When a delta loop is designed for a particular band, and fed in the
> corner, it is not in an optimum configuration. They should be fed 1/4
> wave length from the apex and then will act as a pair of phased
> verticals. See ON4UN's Top Band DXing book for a complete description or
> W4RNL's excellent series on this type of antenna. The loop can also be
> fed at the apex or in the middle of the bottom and then it will exhibit
> horizontal polarization.
> 73, Dennis W0JX/8


TowerTalk mailing list

<Prev in Thread] Current Thread [Next in Thread>