Design of an Ultrawideband Circularly Polarized Printed Crossed-Dipole Antenna Based on Genetic Algorithms for S-Band CubeSat Applications

Table 5

Resonance and design frequencies analysis.

Frequency (GHz)	Impedance (Ω)	S11 (dB)
fr1 = 1.05	2.50 + j0	−0.79
fr2 = 1.50	233.97 + j0	−3.30
fr3 = 1.91	41.90 + j0	−20.07
fr4 = 4.07	143.42 + j0	−6.38
fr5 = 6.53	56.94 + j0	−22.80
fr6 = 7.25	115.74 + j0	−8.03
fD = 2.25	59.46 + j14.57	−15.96