Antenna Step size

Reflection coefficient (dB)

VSWR

Directivity (dBi)

Gain (dB)

5 step

−25.92

1.10

8.38

8.1

10 step

−28.66

1.07

8.71

8.47

15 step

−46.22

1.00

10.52

10.21

20 step

−35.82

1.03

10.55

10.2

25 step

−33.34

1.04

10.43

10.03