epsRel, muRel, height(mm), freq(GHz), phi(deg), xSample
1.3,    1.0,   0.03,       100.0,     5.0,      10
2.1,    1.2,   0.1,        100.0,     5.0,      10
3.4,    1.1,   0.2,        100.0,     5.0,      10
1.4,    2.2,   0.01,       100.0,     5.0,      10
