sac-format polezero input from file gse-bb.pz
* BB13 RESPONSE.  STARKEY PLUS EXTRA FILTER.  SAC CONVENTION  28 AUGUST 1992
    A0 =  1.9758E+26  11  RESPONSE POLES: 
  (   -3034.02,  0.)  (   -1217.09,  0.)  (   -609.717,  0.)
  (   -6.23989E-02,  0.)  (  -103.8573,  0.)  (   -45.7491,   -123.221)
  (   -45.7491,    123.221)  (   -1329.79,  0.)  (   -2.50000E+07,  0.)
  (   -1.73611E+08,  0.)  (   -2.04264E-02,  0.)
     7 RESPONSE ZEROES   0 ZERO VALUES:
  (  0.,  0.)  (  0.,  0.)  (  0.,  0.)  (   -32015.2,  0.)
  (   -1218.80,  0.)  (   -6.11913E-05,  0.)  (   -1279.26,  0.)

     Frequency    Displ. Amp.         Phase
     0.0010     4.9190E-04         0.4086        23.4120
     0.0020     6.9099E-03         0.7553        43.2774
     0.0030     2.9474E-02         1.0422        59.7137
     0.0040     7.7464E-02         1.2741        72.9999
     0.0050     0.1574             1.4632        83.8341
     0.0060     0.2733             1.6200        92.8182
     0.0070     0.4276             1.7521       100.3893
     0.0080     0.6211             1.8650       106.8561
     0.0090     0.8543             1.9625       112.4402
     0.0100      1.127             2.0474       117.3053
     0.0150      3.062             2.3456       134.3920
     0.0200      5.905             2.5222       144.5096
     0.0300      14.18             2.7175       155.6992
     0.0400      25.85             2.8216       161.6666
     0.0500      40.86             2.8861       165.3601
     0.0600      59.22             2.9299       167.8732
     0.0700      80.93             2.9618       169.6983
     0.0800      106.0             2.9861       171.0883
     0.0900      134.4             3.0052       172.1861
     0.1000      166.1             3.0208       173.0781
     0.1500      374.8             3.0697       175.8833
     0.2000      667.0             3.0969       177.4409
     0.3000      1502.             3.1294       179.3031
     0.4000      2671.             3.1510       180.5377
     0.5000      4174.             3.1681       181.5209
     0.6000      6010.             3.1831       182.3784
     0.7000      8181.             3.1968       183.1640
     0.8000     1.0685E+04         3.2097       183.9047
     0.9000     1.3523E+04         3.2221       184.6155
     1.0000     1.6695E+04         3.2342       185.3052
     1.5000     3.7559E+04         3.2914       188.5857
     2.0000     6.6757E+04         3.3465       191.7393
     3.0000     1.5013E+05         3.4543       197.9174
     4.0000     2.6677E+05         3.5610       204.0301
     5.0000     4.1678E+05         3.6673       210.1221
     6.0000     6.0049E+05         3.7737       216.2195
     7.0000     8.1852E+05         3.8807       222.3482
     8.0000     1.0720E+06         3.9888       228.5403
     9.0000     1.3623E+06         4.0987       234.8360
    10.0000     1.6913E+06         4.2112       241.2849