2m paragraph of J antenna make with debug

J antenna is theoretic Ba Lun does not need when the gain that has 3db is installed, and bottom can be installed receive with earth edge on iron lever, facilitate prevent thunder. Oneself get J of one finished product antenna occasionally, but use frequency is 162-167MHZ, be about to change inconvenience, reason decides to abstain, style sees figure above. Material all is used for trash, tubal material is in charge of to abandon the high pressure of old air conditioning (16mm) , bottom side gate is the copperplate that discards together (30X3mm) dimension of bid of the place in definite finally plan.

The dimension when making as far as possible accurate, cable core line receives short lever, reticle receives senior staff, adjust its match a circumstance convertibly in the position on lever (tone SWR is the smallest) . Solder dot is built with silicon balata road with antirust corrode.

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