3/4 λ marine antenna working on 156-163 MHz without Ground Plane. It is particularly protected against the worst sea climates. The conic glass fibre tube makes it strong so to get a full assurance. The radial whip is earthed in order to avoid stray R..
CB marine antenna studied to work without Ground Plane. The whip is made of glass fibre conic tube and metallic components are of chromium plated brass and stainless steel. The whip is DC-grounded in order to avoid stray R.F. currents and their disch..