Orthogonal Design Method for Optimizing Roughly Designed Antenna

Table 4

Antenna design specifications of NASA ST5 antenna.

Property	Specifications
Transmit frequency	8470 MHz
Receive frequency	7209 MHz
Polarization	Right-hand circular
Transmit frequency VSWR	<1.2 : 1
Receive frequency VSWR	<1.5 : 1
Gain mode	≥0 dBic, 40^∘≤𝜃≤80^∘, 0^∘≤𝜑≤360^∘
Input impedance	50Ω
Diameter	<15.24 cm
Height	<15.24 cm
Quality	<165 g
Ground plane diameter	15.24 cm