I was told that my signal would picket fence while I was in the car albeit I was only a couple miles from the repeater purchased this antenna for my yaesu vertex ft60r and the improvement was immediately noticable hope this helps 73`s d e N1JTZ http://www.ebay.com/itm/350761236181?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
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