I0QM - real BALUN device for any DX antenna
I0QM - real BALUN device for any DX antenna
http://sp3rnz.blogspot.com/2016/07/i0qm-real-balun-device-for-any-dx_9.html
http://sp3rnz.blogspot.com/2015/11/i0qm-balun-for-70mhz-antenna.html
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