... the antenna orientation chart measurement) and Reflection testing(test standing wave,return loss,impendence,reflection phase,electric length display the smith ... logarithm amplitude and the amplitude phase at the same time.Reflection testing displays the logarithm display,standing wave ratio display,the ... is 4% of 0.2dB in 50dBThe resolution of reflection:the indeterminacy of 0.002 is 0.01(the surplus ...