建议用钢丝 [复制链接]

铜包钢好  
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不锈钢的好。短波段完全够用。icom的短波宽带天线就是多股的不锈钢丝。

在紧急的情况可以用，我曾经用红箭73导弹的信号线做短波天线，那是一种很细的芯线看似像钢丝外面缠绕纤维的，外径包括缠绕的纤维能比头发丝稍微粗那么一丁点，我就用这种线也通了很多电台。
现在部队不少的短波天线是那种多股钢丝和铜丝混合型的，但是钢的比例大于铜。