S-parameter file for the 2N667A bipolar transistor from Motorola
2N6679A.S2P ! 2N6679 ! VCE = 15V; IC = 25 mA # GHz S MA R 50 ! S-PARAMETER DATA
0.1	0.60	-76	38.6	141	0.01	55	0.83	-20
0.5	0.67	-158	12.7	95	0.02	40	0.50	-27
1.0	0.68	-178	6.6	77	0.03	53	0.46	-32
1.5	0.68	170	4.4	64	0.04	54	0.47	-41
2.0	0.69	162	3.4	54	0.05	54	0.47	-50
2.5	0.69	154	2.7	42	0.06	55	0.49	-59
3.0	0.69	146	1.3	31	0.07	55	0.53	-70
3.5	0.69	138	1.9	21	0.08	54	0.55	-79
4.0	0.69	131	1.7	11	0.09	51	0.57	-89
4.5	0.69	123	1.5	1	0.10	49	0.59	-97
From left to right, the columns show frequency (in GHz), S11, S21, S12, and S22, with each parameter contained in two columns [the first is numeric magnitude (not dB) while the second is phase angle (deg.)].