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Not that I can't print, it's just that I can't view the VSWR graphs on the screen. It seems that the option is disabled for the demo version. I got the license file but still can't see the graphs. Any comments? Thanks.
Be sure you are solving multiple frequencies and selecting all the frequencies. If you do not do this you get VSWR at point and you do not have a graph. When you try to view this, you do not see anything on the graph.
I have the same problem. With superNEC V2.3, I can't plot impedance, VSWR etc. and when the simulation is over, the interface is always auto closed after not a long interval. I just want to konw what's wrong with it? thanks!