Quadrafilar Helix antenna for 436 Mhz

This is an antenna that I just built. I intend on using for receiving the AO-27 downlink at 436.800 +/- doppler. It is built with right hand circular polarization, and the gain is supposed to be in the neighborhood of 3 DB
post 29 Jan 2024
Quadrafilar Helix antenna for 436 Mhz

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