[TowerTalk] sloping dipole arrays

[jim Jarvis]

I have seen K1WA's excellent article in the Antenna Handbook for years
regarding sloping half-wave dipole arrays.  His design switches both
the center conductor and braid for each feedline.

Is it really important to switch the braid?
73, Steve, K4FJ
-0-

YES.

The K8UR sloper array design, and the variants upon that, require  
that the
reflectors not be connected to the driven element.   If you use a  
switch which
ties all shields together,  you'll have half of your reflectors and  
your driven element
fed together.    God knows what pattern will result.   Or, knowing  
this audience,
only an adept NEC user with a lot of time will know what the  
resulting pattern
will be.

The technique of feeding each dipole via 3/8 lambda coax from the switch
is a particularly neat way to assure that the undriven elements  
function as
reflectors.

N2EA