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    K40 VS ?

    K40 Hi Switchkit, The antenna is on top of the ROPS which is about a 5'x7' sheet of 3/8" steel but now that I think about it the ROPS is isolated somewhat from the rest of the ground plain by 1" thick rubber grommets for vibration and noise reduction, so maybe thats part of the problem, eh!
  2. A

    K40 VS ?

    Hello from a newbie, I've got a cobra 75wxst that I use on a Cat D6 dozer for directing trucks around jobsites. I'm using a K40 with a magnet mount but have never been able to get an swr lower than 4. The specs for the 75 recommend a top load antenna and the K40 is a baseload. Would this be...
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