I found a nasty bug in qucs the results displayed on the marker of the smith chard are wrong, the same holds when you do real(S11).
It would be nice if the impedance of the smith chard could be changed to every value you want with off course fixed values of 1, 50 and 75 Ohm.
Also nice would be if the calculations could be done on the results tab so that I do not have to make a variable S11=dB(S[1,1]) but type the operator
in front of the result of the simulation., see picture wanted.png
Regards, Met Vriendelijke groet,
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