A Second-Iteration Square Koch Fractal Slot Antenna for UHF Downlink Telemetry Applications in CubeSat Small Satellites

Table 2

Comparison of parameters obtained by simulations and measurements for the proposed antenna on FR4-G10.

Type of methodology	Work frequency	S11 (dB)	BW at −10 dB (MHz)	VSWR	Normalized impedance (50 Ω)	D Pozar (dBi)	D McDonald (dBi)
Simulation	403.2	−10.22	4.34	1.8905	0.7798 − j0.5257	1.95	1.83
Measurement	458.0	−16.53	22.62	1.3508	0.794 − j0.173	2.24	2.10