搜索 - 科创

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好贴，顶上去，我自己感觉比较好的正如楼主所言，一是八木，其增益性和方向性很强，适用于与针对性方向性的利器，j形天线，其一成本原材料寻找容易，其二其增益性比4分之一gp要高，还有其他的棒子天线，似乎制作起来有点难度

从好酷的图上看，好像就是个扇形宽带半波偶极子与环形天线的融合体，那个双孔磁芯貌似是300欧平衡/75欧不平衡匹配器。无委的人拿着晃来晃去很帅气，很关注这种天线的方向性到底如何呢。

随便拿一根铁丝做VHF天线，我这里收到的电平是-90dBm(天线增益2dBi，场强自己算)。试验转发7.020上的CW通联，效果很满意。明天就会搬到山上实际架设，马上就有疗效了。

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