How to Wind a 49:1 Transformer for your End Fed Have Wave Antenna
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EFHW ham radio HF antenna transformer tests - build the best yourself - save money build and learn
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HAM RADIO: The 64:1 EFHW Transformer build. 49:1 and 64:1 UnUn builds
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Build Your Own End-Fed Half-Wave Antenna [A Complete Guide to EFHW]
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EFHW MULTIBAND ANTENNA with 49:1 UnUn home made (PART1)
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HomeMade 80M Band Coil for 40M EFHW Antenna
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HAM RADIO: Whats better a 64:1 or 49:1 Build and Test
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Easily Test An UnUn Before Deployment (9:1)
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