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I've constructed a 144/440 Dual band Open Stub J-Pole Antenna. I saw the plans for this on the internet (link to plan… | Antenne, Radioamatori, Circuito elettronico
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A dual-band MTM-inspired small antenna. (a) Geometry (the ground plane... | Download Scientific Diagram
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Sensors | Free Full-Text | Compact Dual-Band Antenna with Paired L-Shape Slots for On- and Off-Body Wireless Communication
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