Topband: Beverages

[k3bu at optimum.net]

> k3bu at optimum.net wrote:
> > I have seen situations when long Bev (1600') on a sloping 
> terrain was worse to Eu than Inv Vee. When shortened to about 
> 600' it was a "killer".
> > Then long phased Bev at W8LRL were hearing JAs while short 
> ones were "dead". 
> > Makes big difference in a contest. 
> > 
> > 
> 
> This inspires me to a (perhaps under-educated) pitch for 
> exploration of 
> a novel antenna: An Adaptive Elevation Angle MEMS Beverage.
> 
> 
> Seriously, I wonder what challenges would be realized in trying 
> to use a 
> set of mechanical relays to incrementally lengthen or shorten a 
> Beverage 
> to sweep elevation angle, albeit while distorting F/B and 
> beamwidth.... 
> I'd certainly purchase the journal that published such a paper.
> 
> 
> 
> 
> 73,
> 
> - Josh / KF4YLM
> 

This can be done by breaking say 1500 ft Beverage into 3 segments with two relays inserted at 500 and 1000 ft points, switching between next wire segment and termination resistance.
 
Some pictures of W8LRL installation are at
http://www.teslaradio.org/w8lrl.htm
white posts support phased and staggered Beverages. Also pictures of RX vertical 8 array.
 
73 Yuri K3BU.us