Quadrafilar helix antenna for the 137 Mhz

    I had always wanted to try and receive a signal from a satellite using my scanner
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post 30 Oct 2026

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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

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