frequency domain spice model in ngspice?

[buenos]

s2spice

hi

is it possible to do transient analysis for tabulated frequency data (behavioral spice model) with ngspice?
(pspice and ltspice can simulate it, but i need an opensource commandline prog)
example from a spice netlist:

.SUBCKT  cfy30.LIB 1 2 3; Port1 Port2 Common
*Subcircuit generated by S2P2LIB1.EXE on 08-29-2003
* Common Source S-Parameters:                       August  1996 
*  f         S11            S21            S12            S22 
* GHz     MAG   ANG      MAG   ANG      MAG   ANG      MAG   ANG 
* 
R1N 1 5 -50
R1P 5 7 100
R2N 2 4 -50
R2P 4 6 100
 
* E11 7 9 FREQ {V(5,3)}= MAG | DB | R_I | DEG | RAD
* Default is DB and DEG,  R_I is real and imag

*S11   FREQ   DB   PHASE
E11 7 9 FREQ {V(5,3)}= MAG
+(  0.01gHz,    1.00, -0.2)
+(  0.02gHz,    1.00, -0.4)
+(  0.05gHz,    1.00, -1)
+(  0.10gHz,    1.00, -2)
+(  0.40gHz,    1.00, -8)
+(  0.80gHz,    0.99, -16)
+(  1.20gHz,    0.97, -24)
+(  1.60gHz,    0.95, -32)
+(  2.00gHz,    0.92, -40)
+(  2.40gHz,    0.90, -48)
+(  2.80gHz,    0.87, -58)
+(  3.20gHz,    0.83, -68)

this was generated from a s-parameter file by the s2spice.exe
LTspice Yahoo group
**broken link removed**
Files > Tut > S-Parameter > S-Parameter to SPICE > s2spice_win095.exe