As others have pointed out trying to measure the SWR of the type of antenna that mounts on a hand held radio is difficult at best. I’ve personally have tried nearly a dozen different types. Changing the test setup resulted in wide variations in the measure SWR. In the end about the only thing I could reasonably conclude is antenna “x” seemed better than antenna “y” under the same conditions, which may not translate in to how the radio sees it when installed.   I know some of the commercial radi