QRP 4:1 Balum Contruction
Construction of a 4:1 Balun for use with QRP Radios
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![40M UltraLight QRP magnetic loop antenna + TEST [ XIEGU X5105 ]](https://sun9-63.userapi.com/c850632/v850632783/afe53/CZo6Qp9LVrk.jpg)
10 years ago 00:07:20 34
