Antenna Project – 2.4 GHz 13cm Bi-Quad for SOTA | VK1 SOTA on 1.2 and 2.4 GHz
Quadantenne – Wikipedia
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DH9BAJ - Callsign Lookup by QRZ Ham Radio
Open Boundary Quad-Ridge Horns : Measurement Probes and Feeds
Rechner: Doppelquad Antenne | DF7SX.de
DH9BAJ - Callsign Lookup by QRZ Ham Radio
DJ 9 KH - 432 MHz Activities
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70 cm Hybrid-Quad-Antenne | Kaufen auf Ricardo
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![Lumped quadrature hybrid as in [4]. | Download Scientific Diagram](https://www.researchgate.net/publication/224544783/figure/fig5/AS:667683141996560@1536199474440/Lumped-quadrature-hybrid-as-in-4.png "Lumped quadrature hybrid as in [4]. | Download Scientific Diagram")
Lumped quadrature hybrid as in [4]. | Download Scientific Diagram
