Section,Review field,Project value,Source / revision,Open question,Approval Model the return connection with the signal via,Entering line,,,, Model the return connection with the signal via,Signal barrel,,,, Model the return connection with the signal via,Return connection,,,, Model the return connection with the signal via,Leaving line,,,, Record the dimensions that a solver actually needs,Drill vs finished hole,,,, Record the dimensions that a solver actually needs,Pad + antipad,,,, Record the dimensions that a solver actually needs,Span + residual stub,,,, Record the dimensions that a solver actually needs,Return geometry,,,, Use a stub estimate only as an investigation trigger,Stub 2 mm,,,, Use a stub estimate only as an investigation trigger,Er_eff = 4,,,, Use a stub estimate only as an investigation trigger,Quarter-wave scale ~18.7 GHz,,,, Validate the transition without hiding it in the fixture,Model boundary,,,, Validate the transition without hiding it in the fixture,Coupon boundary,,,, Validate the transition without hiding it in the fixture,Correlation,,,, Validate the transition without hiding it in the fixture,Change triggers,,,,