5.8 GHz Helix Antenna

This is an example how one can hit the target on spot with a clean build even on 5.8GHz.

Antenna dimensions:

  • Design frequency 5800MHz
  • 8 turns
  • Wavelength 0.23
  • Internal diameter 17-17.5mm
  • Wire diameter 1mm
  • Coil spacing 11.8mm
  • Reflector 40mmx40mm
  • Wave Trap size 6.5mmx3.2mm
  • Wave Trap spacing from feed point 2mm
  • Feed point height 2.5mm (wire center), maintained over 1/4 turn