Building A 9:1 Unun
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Building a 9:1 Unun Transformer
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UNUN 4:1
9:1 Magnetic Longwire Balun / Unun – M0UKD – Amateur Radio Blog
Building a 9:1 Unun Transformer
G0KYA's Amateur Radio Blog: Long wire and Un-Un part 2
Building a 9:1 Unun Transformer
Building a 9:1 Unun Transformer
9-1 UNUN - Part 1 - YouTube
Building a 9:1 UNUN With FT-140-43 Toroid. - YouTube