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Broadband/Wideband Antenna
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Skew-Planar
Backfire Disk-on-rod Antenna for Long-range Point-to-point Communications | Microwave Journal
Figure 3 from An ultrawide-band double discone antenna with the tapered cylindrical wires | Semantic Scholar
Quad-Band multi-polarized antenna with modified electric-inductive−capacitive resonator | International Journal of Microwave and Wireless Technologies | Cambridge Core