EFHW ham radio HF antenna transformer tests - build the best yourself - save money build and learn
Short comparison of popular EFHW Ham radio HF antenna transformers with instruction on how to build one that puts the popular ones to shame. Save your money build it yourself and increase your skills. #survivalcomms references you should check out : @MM0OPXAmateurRadio @evil_lair_electronics
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Low Loss EFHW Ham radio HF antenna antenna tests. Do capacitors matter ? DIY and save your money !
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Best 49 to 1 UnUn for EFHW End Fed Half Wave HF antennas
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Barometer Net sponsored by Silvercreek Amateur Radio Assoc. 147.39+ repeater 114.8 PL 7AM, 6-1-26
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Something you should know when making a DIY EFHW!
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How efficient is the best 100w End Fed Half Wave Core when stacked for QRO? #hamradio #antenna
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End Fed Half Wave (EFHW) Transformer - Is 2:15 in reality 2:14? | Ham Radio
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HAM RADIO: Whats better a 64:1 or 49:1 Build and Test
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What Happened to Shortwave Radios? The Truth is Brutal.
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EFHW MULTIBAND ANTENNA with 49:1 UnUn home made (PART1)
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EFHW Antenna | Part Two: Which Configuration Works Best?
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Snap-On Ferrite Cores FIXED! 3dB → Only 1dB Difference (RF Choke Test)
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BUILD and TEST a 49:1 UNUN for EFHW HF Antenna
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How to Tune a 40M EFHW if 20, 15 and 10. DO THIS on a 1934-1079-ND Toroid!
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End Fed Half Wave Transformers.......Are they as good as we think? #hamradio #hamr
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Ham Radio Power Supply Noise and Mitigation Strategies
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Which end fed half wave transformer should you use for running high power? #hamradio #antenna
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EFHW Antenna | Part One: Easy, Cheap, and Efficient 49:1 Build
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How much power can your FT140-43 & FT240-43 End Fed Half Wave transformer handle?
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EFHW Antenna - Here is One Version to Ignore
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