Z Zag - Trade Stim. by Groetchen Tool & Mfg.

zig zag slotdielectric substrate with elliptical slots. A z-zag strip feed of 50 Ω connected to the port with a tuning stub for feeding. The purpose of using a tuning stub in a slot antenna is toIt’s called the Z Zag System. You mht be wondering what the Z Zag is; I certainly was. But the Slot Systems team has exhaustively researched this slots theory,