A low cost implementation of a quadrafilar helical antenna designed for use in Global Positioning System (GPS) applications
A Quadrafilar Helical Antenna for Low Elevation GPS Applications This article presents a low cost implementation of a quadrafilar helical antenna for Global Positioning System (GPS) applications. The antenna is designed to produce a right-hand circularly polarized (RHCP), elevated omnidirectional radiation pattern with constant azimuth gain at low elevation...
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