Helical UHF Antenna
- Cm helix, satnogs, v4, cm frequency: 434 mhz, cm wavelength: 691 mm, cm c=299792458 m/s, cm radius = 110 mm, cm turns: 8
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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


