freq_hz,CH1_real,CH1_imag,CH2_real,CH2_imag,CH3_real,CH3_imag,CH4_real,CH4_imag,CH5_real,CH5_imag,CH6_real,CH6_imag,CH7_real,CH7_imag,CH8_real,CH8_imag,CH9_real,CH9_imag,CH10_real,CH10_imag,CH11_real,CH11_imag,CH12_real,CH12_imag
10,1.0,0.0,,,,,,,,,,,,,,,,,,,,,,
20,1.0,0.0,,,,,,,,,,,,,,,,,,,,,,
30,1.0,0.0,,,,,,,,,,,,,,,,,,,,,,
40,1.0,0.0,,,,,,,,,,,,,,,,,,,,,,
50,1.0,0.0,,,,,,,,,,,,,,,,,,,,,,