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Figure 3 from A High Efficiency Twin Coil Ferrite Rod Antenna for RF Energy Harvesting in AM Band | Semantic Scholar
![Figure 4 from A High Efficiency Twin Coil Ferrite Rod Antenna for RF Energy Harvesting in AM Band | Semantic Scholar Figure 4 from A High Efficiency Twin Coil Ferrite Rod Antenna for RF Energy Harvesting in AM Band | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/b85ed41a3e112df1f59ef7d274799cca7a94bb7a/3-Figure4-1.png)
Figure 4 from A High Efficiency Twin Coil Ferrite Rod Antenna for RF Energy Harvesting in AM Band | Semantic Scholar
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TRiPLE RESONANT TUNED High "Q" TX & RX Large Ferrite Rod Antennas for VLF CW operations - LiVE DEMO - YouTube
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DiY TWiN COiL FERRiTE ROD VLF band RX Antenna - built from C. CRANE's TWiN COiL google patent info - YouTube
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