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BG4HQK:看来这么就没人答复,只好自己瞎整个了。1. 全长2.6米,振子长1.5米,1.48米处打孔。pu管长1.3米。(由于阳台有个沿,只好长出30cm)2. 不锈钢管外径20,pu管外径26(6分热水管)3. 4方的单芯塑皮 .. (2010-07-28 17:41)
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BG1LLB:''vr2una您好?,1 振子长度有俩种,3米一根管,在2米9处打孔接馈线和地线,地线15米3根同时pvc管60-70接上。利用3根地线调整。 2振子管长1,5-1,7米。pvc管40-50公分,4平方线密绕30-40圈,间绕5- .. (2007-09-19 09:25)
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BG3SLK:十年后刚学习此帖,振子 + 线圈长度 = 对应1/2波长14M波段,1/4波长7M波段制作时线圈的长度稍长点,方便修剪到合适频率 (2024-02-02 22:20)
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