Operating frequency, f

1420 MHz (Megahertz)


21 cm

Circumference of Helix,

21 cm = λ (λ = lambda, for radiation in Axial mode)

Helix diameter dH

6.68 cm

Spacing btw turns S

5.3 cm

Length of one turn L

21.6 cm

No of turns N


Axial Length A

53 cm

Ground Plane diameter GpD

~16 cm