HFSS model of the multi-section quadrifilar helix antenna | Download Scientific Diagram
Helical antenna - Wikipedia
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Figure 2 from Design of a dual-band quadrifilar helix antenna | Semantic Scholar
Quadrifilar helicoidal antenna - Picture of Vaisala's GPS version
![PDF] A Miniature Quadrifilar Helix Antenna for Global Positioning Satellite Reception | Scinapse](https://asset-pdf.scinapse.io/prod/2158193814/figures/figure-12.jpg "PDF] A Miniature Quadrifilar Helix Antenna for Global Positioning Satellite Reception | Scinapse")
PDF] A Miniature Quadrifilar Helix Antenna for Global Positioning Satellite Reception | Scinapse
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