| To: | Mike Waters <mikewate@gmail.com> | 
|---|---|
| Subject: | Re: Topband: Beverage Antenna | 
| From: | Grant Saviers <grants2@pacbell.net> | 
| Date: | Fri, 09 Nov 2012 19:36:24 -0800 | 
| List-post: | <topband@contesting.com">mailto:topband@contesting.com> | 
I'm not sure why the bidirectional coaxial cable Beveridge doesn't get 
more discussion.  It is described in ON4UN's book, and seemed to work 
fine when I built one at a prior QTH, although it does take two 
feedlines from what would logically be the closest end to the shack.  
Given the price of RG6 and surplus RG58/59 it is easier and potentially 
cheaper than open wire feedline.  Three transformers and no relays.  
(page 7-88 5th edition and earlier editions as well)
Is there some reason that a pair of open wires are significantly better? Grant KZ1W On 11/9/2012 4:24 PM, Mike Waters wrote: Have you ever thought of using a 2-wire bi-directional Beverage? They are not complex at all. It only takes one more wire, two more simple transformers, and one more run of coax. A remote relay and four extra parts even lets you use just one run of coax for both directions. If you run a single wire Beverage in the opposite direction, then you have to put up twice as many supports (unless you have trees). But with a two-wire Beverage, you can use the same supports for both directions. 73, Mike http://www.w0btu.com/Beverage_antennas.html On Fri, Nov 9, 2012 at 3:00 PM, Buck wh7dx <wh7dx@hawaii.rr.com> wrote:Use RG-6 line in the future and run another Beverage in the opposite direction - NW._______________________________________________ Topband reflector - topband@contesting.com _______________________________________________ Topband reflector - topband@contesting.com  | 
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