Axial-Mode Helix Antenna Calculator
- W0FMS javaScript axial-mode helix antenna calculator
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post 30 Oct 2026
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23 cm Helix Antenna and Preamp

2.4Ghz Helix antenna

2400 MHz Helix Antenna
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23 cm Helix Antenna and Preamp
- a 23 cm 10-turn helix antenna and preamp for 222 MHz and up contest

2.4Ghz Helix antenna
- Antenna especially for frequencies in the range 2 - 5 GHz this design is very easy, practical, and, non critical

2400 MHz Helix Antenna
- This antenna is easy to build and suitable for broadband work, satellite work and terrestrial work


