Large Saltwater Antenna
construction

insidetube.jpg
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.


doubletube.jpg
Showing both tubes nested. Liquid will have only 5/8" of space between inner and outer walls.


probeside.jpg
Main probe is copper clad printed circuit board.


tophat.jpg
Platform for capacitive hat. Brass tubing soldered on to copper p.c. board.
Brazing rods will slide into tubing to lower antenna resonance.


floatingprobe.jpg
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

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