sac-format polezero input from file gse-spew.pz
* GS13-EW  MCC CALIBRATION  SAC CONVENTION  28 AUGUST 1992
    A0 =  2.7206E+04   2  RESPONSE POLES: 
  (   -4.26127,    4.23368)  (   -4.26127,   -4.23368)
     3 RESPONSE ZEROES   0 ZERO VALUES:
  (  0.,  0.)  (  0.,  0.)  (  0.,  0.)

     Frequency    Displ. Amp.         Phase
     0.0100     0.1870             1.5856        90.8503
     0.0200      1.496             1.6005        91.7009
     0.0300      5.050             1.6153        92.5518
     0.0400      11.97             1.6302        93.4032
     0.0500      23.38             1.6451        94.2553
     0.0600      40.40             1.6600        95.1084
     0.0700      64.15             1.6749        95.9626
     0.0800      95.75             1.6898        96.8180
     0.0900      136.3             1.7047        97.6749
     0.1000      187.0             1.7197        98.5335
     0.1500      630.9             1.7952       102.8563
     0.2000      1494.             1.8718       107.2442
     0.3000      5022.             2.0295       116.2824
     0.4000     1.1777E+04         2.1946       125.7387
     0.5000     2.2513E+04         2.3668       135.6071
     0.6000     3.7504E+04         2.5439       145.7570
     0.7000     5.6385E+04         2.7216       155.9375
     0.8000     7.8201E+04         2.8943       165.8297
     0.9000     1.0171E+05         3.0566       175.1315
     1.0000     1.2577E+05         3.2049       183.6287
     1.5000     2.3702E+05         3.7226       213.2908
     2.0000     3.3282E+05         3.9913       228.6825
     3.0000     5.0986E+05         4.2462       243.2866
     4.0000     6.8239E+05         4.3671       250.2191
     5.0000     8.5392E+05         4.4379       254.2741
     6.0000     1.0251E+06         4.4845       256.9409
     7.0000     1.1962E+06         4.5174       258.8304
     8.0000     1.3672E+06         4.5420       260.2402
     9.0000     1.5382E+06         4.5611       261.3330
    10.0000     1.7092E+06         4.5763       262.2051
    15.0000     2.5640E+06         4.6218       264.8120
    20.0000     3.4187E+06         4.6445       266.1113
    30.0000     5.1281E+06         4.6672       267.4086
    40.0000     6.8375E+06         4.6785       268.0567
    50.0000     8.5469E+06         4.6853       268.4455
    60.0000     1.0256E+07         4.6898       268.7047
    70.0000     1.1966E+07         4.6930       268.8897
    80.0000     1.3675E+07         4.6954       269.0285
    90.0000     1.5384E+07         4.6973       269.1365
   100.0000     1.7094E+07         4.6988       269.2228