That's a good question. :-) Maybe it has something to do with the tension each one will stand. I think that CW or plated steel fence wire will stand a lot more tensioning than coax.
73, Mike www.w0btu.com On Fri, Nov 9, 2012 at 9:36 PM, Grant Saviers <[email protected]> wrote: > 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<http://www.w0btu.com/Beverage_antennas.html> >> >> On Fri, Nov 9, 2012 at 3:00 PM, Buck wh7dx <[email protected]> wrote: >> >> Use RG-6 line in the future and run another Beverage in the opposite >>> direction - NW. >>> >>> ______________________________**_________________ >> Topband reflector - [email protected] >> >> > _______________________________________________ Topband reflector - [email protected]
