Antennas¶

• Antennas
  • Design Tools
  • Quadrifilar Helix (QFH) Antennas
  • J-Pole Antenna

Design Tools¶

• 4nec2

Quadrifilar Helix (QFH) Antennas¶

• Helical Quad Antenna for Weather Satellites
• A QFH antenna for the weather satellite band
• QFH sizing calculator

J-Pole Antenna¶

• Dual-band 2m/70cm portable J-pole Antenna