Fig. 4. Expected relative errors in Rs measurements when neglecting the cable losses. Q = Rs,a/Rs, with Rs,a given in Eq. [22]. The relative error becomes negligible as |Rs| approaches Z0 = 50 
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Fig. 4. Expected relative errors in Rs measurements when neglecting the cable losses. Q = Rs,a/Rs, with Rs,a given in Eq. [22]. The relative error becomes negligible as |Rs| approaches Z0 = 50 .