Antenna DIY

Half Rhombic antenna with counterpoise

half rhombic antenna

The inverted rhombic antenna boasts a distinctive half-rhombic configuration. Its directivity focuses toward the terminated end, enhancing signal precision. Developed by Bruce, it demands a non-conductive mast for optimal performance. This design delivers significant gain across the 50 to 70MHz bands.
A non-inductive terminating resistor is essential, tailored to the RF power delivered. For SSB use, a lower wattage resistor suffices. Reception-only setups allow flexibility with resistor types. Staking ensures structural integrity, while a sturdy pole provides elevation. The trans line seamlessly integrates the system, optimizing functionality.

Half Rhombic antenna with counterpoise  was published in RSGB Radio Communication magazine December 1996 page 62.

Refer for more info about broadband terminated end fed antenna here.

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Prof. D. Prabakaran (VU3DXR) is the founder and driving force behind DXR Electronics Bits. With over 28 years of academic and technical education experience, he currently serves as Principal of PSV Polytechnic College, Krishnagiri and has dedicated his career to empowering students and radio enthusiasts with clear, practical electronics knowledge
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