.symbol <symbol_name>
#<frequency_units> s <complex_data_format> r <reference_impedance_value>
freq s11 s21 s32 s31 s12 s22 s32 s13 s23 s33
.symbol bjt_npn
#ghz s ma r 50
! GHz MAG ANG MAG ANG ANG MAG ANG MAG ANG
0.500 0.6943 -122.1 4.977 105.7 0.0901 33.0 0.6170 -37.8
1.000 0.6470 -169.7 2.820 76.8 0.0975 23.3 0.4862 -45.5
1.500 0.6586 162.9 1.959 57.6 0.0978 25.6 0.4468 -54.5
2.000 0.6854 142.0 1.481 41.5 0.1055 32.2 0.4315 -65.1
2.500 0.7070 128.1 1.246 30.1 0.1175 37.7 0.4261 -75.5
3.000 0.7449 110.9 0.985 15.5 0.1475 41.9 0.4218 -93.3