Stuart Liss

The elements are fed 3-1/4 inches below center, with the coax inside. Off-center feed is required because of the interaction of the lower element with the coax inside. Note: if you make it center-fed, the SWR will be about 2.5:1 across the band. Lowering the feedpoint by 3-1/4 inches lowers the SWR to under 1.5:1. ................
................