Large Saltwater Antenna
Inner PVC tube is 1-1/4". Wood dowels will hold it in the center of the 3" main tube. They are coated with epoxy.
Showing both tubes nested. Liquid will have only 5/8" of space between inner and outer walls.
Main probe is copper clad printed circuit board.
Platform for capacitive hat. Brass tubing soldered on to copper p.c. board.
Brazing rods will slide into tubing to lower antenna resonance.
Copper probe that will feed capacitive hat will float on the surface of the ionic liquid.
I glued closed-cell foam to the copper.
Continue to page three to see more of the construction process