Generation of circularly polarized conical beam pattern using (3, 8) torus knot antenna
Generation of circularly polarized conical beam pattern using toroidal helical knot antenna
S-band dual circular polarized spherical conformal phased array antenna
Trefoil Torus Knot Monopole Antenna
Dual mode bandpass filter using trefoil torus knot resonator
A Wideband Circularly Polarized Conical Beam From a Two-Arm Spiral Antenna Excited in Phase