I use 4 wire cage designs for 80m (as an inverted vee) because bandwidth is
....[snip]....
has a L/D of over 20000:1 while a 4-wire 24"x24"cage (effective dia = 8")...

I'm curious why a 2-foot-square cage has an effective diameter of only 8"


If cut for the middle of the band, VSWR is just a touch over 2:1 at 3.500 &
4.000 MHz. I make spreaders from 1/2" thinwall PVC tubing & crosses
(24"x24"). I use #14ga 168-strand soft-drawn copper wire ....

Doesn't soft-drawn copper stretch like mad?

--
--Myron A. Calhoun.
Five boxes preserve our freedoms: soap, ballot, witness, jury, and cartridge
NRA Life Member & Certified Instructor for Rifle, Pistol, & Home Firearm Safety
Also Certified Instructor for the Kansas Concealed-Carry Handgun (CCH) license