Antenna helix 432-435-Mhz

Antenna helix 432-435-Mhz
    Building a 14 turn home-made helical antenna for 432/435mhz
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post 30 Oct 2026

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U-band 435 MHz Helix for Satellite Uplink
    Helix for satellite uplink a 12-turn helix for about an 8' 2-1/2m


Helix antenna design and construction details
    Design frequency MHz, Number of turns, Turn spacing, wavelengths
Helix antenne
    We decided to put it to the test and build a PVC helix for a 'too high' frequency. Then we wanted to redetermine the center frequency. 2430 MHz is approximately 67% of 3620 MHz. So that will be the design frequency that we give to HelixCalc

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