This is an antenna that author just built. Was intend 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.
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About Quadrifilar Helix antenna for 436 MHzThis resource is listed in dxzone.com under 2 categories. Its main category is Antennas projects for 432 440 MHz (Antenna for 70 cm 432 440 MHz). "Quadrifilar Helix antenna for 436 MHz" is listed in our web site index since Friday Mar 2 2007 and till now received a total of 3057 hits.
Rate this resourceQuadrifilar Helix antenna for 436 MHz received 2 votes for a total score of 4.50/10
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