Instrument responses

\======

The following are SEED (Standard format for Exchange of Earthquake Data) type descriptions of the BFO instruments.



                                   ___________
                                  I           I
                                  I    BFO    I
                                  I___________I

                             ________________________
                             I                      I
                             I  Transfer-Functions  I
                             I______________________I


                                  Status: 1995


+-----------------------------------------------------------------------------+
| Station header   |             Station   BFO             |        SEED tape |
+-----------------------------------------------------------------------------+

Station code:                          BFO
Latitude:                              48.331944
Longitude:                              8.331111
Elevation:                             589.000000
Name:                                  Black Forest Observatory, Schiltach
Owner Code Lookup:                     Universities of Karlsruhe and Stuttgart
Starting date:                         1990,159
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VGZ    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VGZ  (Gravity, Mode)
Instrument:                            LaCoste Romberg ET with electrostatic feedback
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   -90.000000
Sample rate:                           0.2
Starting date:                         1990,186
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VGZ   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               1.31572E-04 (V / (m/s**2) / s**13)
Number of zeroes:                      6
Number of poles:                       19
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
  2  0.000000E+00  0.000000E+00
  3  0.000000E+00  0.000000E+00
  4 -7.778600E+00  0.000000E+00
  5 -7.778600E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -4.929000E-04  4.838140E-04
  1 -4.929000E-04 -4.838140E-04
  2 -4.929000E-04  4.838140E-04
  3 -4.929000E-04 -4.838140E-04
  4 -1.060720E+00  0.000000E+00
  5 -1.060720E+00  0.000000E+00
  6 -0.080000E+00  0.250000E+00
  7 -0.080000E+00 -0.250000E+00
  8 -0.102000E+00  0.000000E+00
  9 -4.149600E-02  2.727700E-02
 10 -4.149600E-02 -2.727700E-02
 11 -0.246640E+00  4.884200E-02
 12 -0.246640E+00 -4.884200E-02
 13 -4.891411E-02  0.246390E+00
 14 -4.891411E-02 -0.246390E+00
 15 -0.139900E+00  0.208810E+00
 16 -0.139900E+00 -0.208810E+00
 17 -0.204200E+00  0.141340E+00
 18 -0.204200E+00 -0.141340E+00

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VGZ    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VGZ  (Gravity, Mode)
Instrument:                            Superconducting Gravimeter GWR SG-102
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   90.000000
Sample rate:                           0.2
Starting date:                         1994,075
Ending date:                           1994,234

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VGZ   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               1.84500E+07 (V / (m/s**2) / s**18)
Number of zeroes:                      3
Number of poles:                       21
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
  2 -1.375510E-01  0.000000E+00
Complex poles:
  i  real          imag
  0 -1.946530E-01  3.039740E-01
  1 -1.946530E-01 -3.039740E-01
  2 -7.902360E-02  0.000000E+00
  3 -9.418490E-01  5.662660E-01
  4 -9.418490E-01 -5.662660E-01
  5 -8.618650E-02  0.000000E+00
  6 -4.918160E-02  9.765330E-02
  7 -4.918160E-02 -9.765330E-02
  8 -5.238350E-02  8.618650E-02
  9 -5.238350E-02 -8.618650E-02
 10 -1.417680E-03  8.157460E-04
 11 -1.417680E-03 -8.157460E-04
 12 -1.347110E-01  0.000000E+00
 13 -0.246640E+00  4.884200E-02
 14 -0.246640E+00 -4.884200E-02
 15 -4.891411E-02  0.246390E+00
 16 -4.891411E-02 -0.246390E+00
 17 -0.139900E+00  0.208810E+00
 18 -0.139900E+00 -0.208810E+00
 19 -0.204200E+00  0.141340E+00
 20 -0.204200E+00 -0.141340E+00

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel UGZ    |------------------+
+                  +---------------------------------------+                  +

Channel:                               UGZ  (Gravity, Tide)
Instrument:                            LaCoste Romberg ET with electrostatic feedback
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   -90.000000
Sample rate:                           0.2
Starting date:                         1990,239
Ending date:                           1993,134

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch UGZ   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               2.2518E-02 (V / (m/s**2) / s**11)
Number of zeroes:                      0
Number of poles:                       11
Complex poles:
  i  real          imag
  0 -0.080000E+00  0.250000E+00
  1 -0.080000E+00 -0.250000E+00
  2 -0.102000E+00  0.000000E+00
  3 -0.246640E+00  4.884200E-02
  4 -0.246640E+00 -4.884200E-02
  5 -4.891411E-02  0.246390E+00
  6 -4.891411E-02 -0.246390E+00
  7 -0.139900E+00  0.208810E+00
  8 -0.139900E+00 -0.208810E+00
  9 -0.204200E+00  0.141340E+00
 10 -0.204200E+00 -0.141340E+00


+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel UGZ    |------------------+
+                  +---------------------------------------+                  +

Channel:                               UGZ  (Gravity, Tide)
Instrument:                            LaCoste Romberg ET with electrostatic feedback
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   -90.000000
Sample rate:                           0.2
Starting date:                         1993,134
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch UGZ   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               2.46199E-02 (V / (m/s**2) / s**11)
Number of zeroes:                      0
Number of poles:                       11
Complex poles:
  i  real          imag
  0 -0.080000E+00  0.250000E+00
  1 -0.080000E+00 -0.250000E+00
  2 -0.102000E+00  0.000000E+00
  3 -0.246640E+00  4.884200E-02
  4 -0.246640E+00 -4.884200E-02
  5 -4.891411E-02  0.246390E+00
  6 -4.891411E-02 -0.246390E+00
  7 -0.139900E+00  0.208810E+00
  8 -0.139900E+00 -0.208810E+00
  9 -0.204200E+00  0.141340E+00
 10 -0.204200E+00 -0.141340E+00


+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel UGZ    |------------------+
+                  +---------------------------------------+                  +

Channel:                               UGZ  (Gravity, Tide), poor approx.
Instrument:                            GWR Superconducting Gravimeter SG-102
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   -90.000000
Sample rate:                           0.2
Starting date:                         1994,075
Ending date:                           1994,234

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch UGZ   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               2.71218E-6 (V / (m/s^2) / s^18)
Number of zeroes:                      0
Number of poles:                       18
Complex poles:
  i  real          imag
  0 -0.246640E+00  4.884200E-02
  1 -0.246640E+00 -4.884200E-02
  2 -4.891411E-02  0.246390E+00
  3 -4.891411E-02 -0.246390E+00
  4 -0.139900E+00  0.208810E+00
  5 -0.139900E+00 -0.208810E+00
  6 -0.204200E+00  0.141340E+00
  7 -0.204200E+00 -0.141340E+00
  8 -1.946530E-01  3.039740E-01
  9 -1.946530E-01 -3.039740E-01
 10 -7.902360E-02  0.000000E+00
 11 -9.418490E-01  5.662660E-01
 12 -9.418490E-01 -5.662660E-01
 13 -8.618650E-02  0.000000E+00
 14 -4.918160E-02  9.765330E-02
 15 -4.918160E-02 -9.765330E-02
 16 -5.238350E-02  8.618650E-02
 17 -5.238350E-02 -8.618650E-02


+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VAE    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VAE  (Horizontal acceleration, Mode)
Instrument:                            Askania pendulum
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               90.00000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,239
Ending date:                           1993, 81

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VAE   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               2.50689E-02 (V / (m/s**2) / s**12)
Number of zeroes:                      2
Number of poles:                       14
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -1.576240E-03  9.098180E-04
  1 -1.576240E-03 -9.098180E-04
  2 -0.100985E+00  0.000000E+00
  3 -7.996050E-02  7.629130E-02
  4 -7.996050E-02 -7.629130E-02
  5 -0.421690E+00  0.000000E+00
  6 -0.246640E+00  4.884200E+02
  7 -0.246640E+00 -4.884200E+02
  8 -4.891411E-02  0.246386E+00
  9 -4.891411E-02 -0.246386E+00
 10 -1.398954E-01  2.088103E-01
 11 -1.398954E-01 -2.088103E-01
 12 -2.041983E-01  1.413356E-01
 13 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel UAE    |------------------+
+                  +---------------------------------------+                  +

Channel:                               UAE  (Horizontal acceleration, Mode)
Instrument:                            Askania pendulum
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               90.00000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,239
Ending date:                           1993, 81

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch UAE   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               9.5064E-03 (V / (m/s**2) / s**12)
Number of zeroes:                      0
Number of poles:                       10
Complex poles:
  i  real          imag
  0 -0.044430E+00  0.044430E+00
  1 -0.044430E+00 -0.044430E+00
  2 -0.246640E+00  4.884200E+02
  3 -0.246640E+00 -4.884200E+02
  4 -4.891411E-02  0.246386E+00
  5 -4.891411E-02 -0.246386E+00
  6 -1.398954E-01  2.088103E-01
  7 -1.398954E-01 -2.088103E-01
  8 -2.041983E-01  1.413356E-01
  9 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VAN    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VAN  (Horizontal acceleration, Mode)
Instrument:                            Askania pendulum
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,239
Ending date:                           1993, 81

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VAN   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               1.97823E-02 (V / (m/s**2) / s**12)
Number of zeroes:                      2
Number of poles:                       14
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -1.661320E-03  9.589320E-04
  1 -1.661320E-03 -9.589320E-04
  2 -0.101603E+00  0.000000E+00
  3 -8.044930E-02  7.675760E-02
  4 -8.044930E-02 -7.675760E-02
  5 -0.421690E+00  0.000000E+00
  6 -0.246640E+00  4.884200E+02
  7 -0.246640E+00 -4.884200E+02
  8 -4.891411E-02  0.246386E+00
  9 -4.891411E-02 -0.246386E+00
 10 -1.398954E-01  2.088103E-01
 11 -1.398954E-01 -2.088103E-01
 12 -2.041983E-01  1.413356E-01
 13 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel UAN    |------------------+
+                  +---------------------------------------+                  +

Channel:                               UAN  (Horizontal acceleration, Mode)
Instrument:                            Askania pendulum
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,239
Ending date:                           1993, 81

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch UAN   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               7.36521E-03 (V / (m/s**2) / s**12)
Number of zeroes:                      0
Number of poles:                       10
Complex poles:
  i  real          imag
  0 -0.044430E+00  0.044430E+00
  1 -0.044430E+00 -0.044430E+00
  2 -0.246640E+00  4.884200E+02
  3 -0.246640E+00 -4.884200E+02
  4 -4.891411E-02  0.246386E+00
  5 -4.891411E-02 -0.246386E+00
  6 -1.398954E-01  2.088103E-01
  7 -1.398954E-01 -2.088103E-01
  8 -2.041983E-01  1.413356E-01
  9 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VSC    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VSC  (Linear strain, Mode)
Instrument:                            Strain meter, 10m Invar wire, Type Cambridge
Signal units lookup:                   1 - Strain
Local depth:                           170.000000
Azimuth:                               300.0000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,274
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VSC   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              1 (strain)
Response out units lookup:             Volts
AO normalization factor:               37.6648 (V / s**10)
Number of zeroes:                      2
Number of poles:                       12
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -1.527800E-03  1.527800E-03
  1 -1.527800E-03 -1.527800E-03
  2 -5.505430E-02  5.505430E-02
  3 -5.505430E-02 -5.505430E-02
  4 -0.246640E+00  4.884200E-02
  5 -0.246640E+00 -4.884200E-02
  6 -4.891411E-02  0.246386E+00
  7 -4.891411E-02 -0.246386E+00
  8 -1.398954E-01  2.088103E-01
  9 -1.398954E-01 -2.088103E-01
 10 -2.041983E-01  1.413356E-01
 11 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel USC    |------------------+
+                  +---------------------------------------+                  +

Channel:                               USC  (Linear strain, Tide)
Instrument:                            Strain meter, 10m Invar wire, Type Camb.
Signal units lookup:                   1 - Strain
Local depth:                           170.000000
Azimuth:                               300.0000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,274
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch USC   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              1 (strain)
Response out units lookup:             Volts
AO normalization factor:               103.503 (V / s**10)
Number of zeroes:                      0
Number of poles:                       8
Complex poles:
  i  real          imag
  0 -0.246640E+00  4.884200E-02
  1 -0.246640E+00 -4.884200E-02
  2 -4.891411E-02  0.246386E+00
  3 -4.891411E-02 -0.246386E+00
  4 -1.398954E-01  2.088103E-01
  5 -1.398954E-01 -2.088103E-01
  6 -2.041983E-01  1.413356E-01
  7 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VSB    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VSB  (Linear strain, Mode)
Instrument:                            Strain meter, 10m Invar wire, Type Cambridge
Signal units lookup:                   1 - Strain
Local depth:                           170.000000
Azimuth:                               60.00000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,274
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VSB   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              1 (strain)
Response out units lookup:             Volts
AO normalization factor:               42.4896 (V / s**10)
Number of zeroes:                      2
Number of poles:                       12
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -1.525700E-03  1.525700E-03
  1 -1.525700E-03 -1.525700E-03
  2 -5.491820E-02  5.491820E-02
  3 -5.491820E-02 -5.491820E-02
  4 -0.246640E+00  4.884200E-02
  5 -0.246640E+00 -4.884200E-02
  6 -4.891411E-02  0.246386E+00
  7 -4.891411E-02 -0.246386E+00
  8 -1.398954E-01  2.088103E-01
  9 -1.398954E-01 -2.088103E-01
 10 -2.041983E-01  1.413356E-01
 11 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel USB    |------------------+
+                  +---------------------------------------+                  +

Channel:                               USB  (Linear strain, Tide)
Instrument:                            Strain meter, 10m Invar wire, Type Camb
Signal units lookup:                   1 - Strain
Local depth:                           170.000000
Azimuth:                               60.00000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,274
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch USB   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              1 (strain)
Response out units lookup:             Volts
AO normalization factor:               117.225 (V / s**10)
Number of zeroes:                      0
Number of poles:                       8
Complex poles:
  i  real          imag
  0 -0.246640E+00  4.884200E-02
  1 -0.246640E+00 -4.884200E-02
  2 -4.891411E-02  0.246386E+00
  3 -4.891411E-02 -0.246386E+00
  4 -1.398954E-01  2.088103E-01
  5 -1.398954E-01 -2.088103E-01
  6 -2.041983E-01  1.413356E-01
  7 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VSA    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VSA  (Linear strain, Mode)
Instrument:                            Strain meter, 10m Invar wire, Type Cambridge
Signal units lookup:                   1 - Strain
Local depth:                           170.000000
Azimuth:                               2.000000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,274
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VSA   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              1 (strain)
Response out units lookup:             Volts
AO normalization factor:               43.0298 (V / s**10)
Number of zeroes:                      2
Number of poles:                       12
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -1.525200E-03  1.525200E-03
  1 -1.525200E-03 -1.525200E-03
  2 -5.574510E-02  5.574510E-02
  3 -5.574510E-02 -5.574510E-02
  4 -0.246640E+00  4.884200E-02
  5 -0.246640E+00 -4.884200E-02
  6 -4.891411E-02  0.246386E+00
  7 -4.891411E-02 -0.246386E+00
  8 -1.398954E-01  2.088103E-01
  9 -1.398954E-01 -2.088103E-01
 10 -2.041983E-01  1.413356E-01
 11 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel USA    |------------------+
+                  +---------------------------------------+                  +

Channel:                               USA  (Linear strain, Tide)
Instrument:                            Strain meter, 10m Invar wire, Type Camb
Signal units lookup:                   1 - Strain
Local depth:                           170.000000
Azimuth:                               2.000000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,274
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch USA   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              1 (strain)
Response out units lookup:             Volts
AO normalization factor:               115.371 (V / s**10)
Number of zeroes:                      0
Number of poles:                       8
Complex poles:
  i  real          imag
  0 -0.246640E+00  4.884200E-02
  1 -0.246640E+00 -4.884200E-02
  2 -4.891411E-02  0.246386E+00
  3 -4.891411E-02 -0.246386E+00
  4 -1.398954E-01  2.088103E-01
  5 -1.398954E-01 -2.088103E-01
  6 -2.041983E-01  1.413356E-01
  7 -2.041983E-01 -1.413356E-01

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel LHN    |------------------+
+                  +---------------------------------------+                  +

Channel:                               LHN
Instrument:                            Wielandt seismometer; prototype STS-1
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,159
Ending date:                           1993,048

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch LHN   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               1.16592 (V / (m/s**2) / s**8)
Number of zeroes:                      2
Number of poles:                       10
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -0.222110E+00  0.222180E+00
  1 -0.222110E+00 -0.222180E+00
  2 -0.032547E+00  0.121375E+00
  3 -0.032547E+00 -0.121375E+00
  4 -0.088844E+00  0.088871E+00
  5 -0.088844E+00 -0.088871E+00
  6 -0.121390E+00  0.032489E+00
  7 -0.121390E+00 -0.032489E+00
  8 -0.148070E-02  0.148120E-02
  9 -0.148070E-02 -0.148120E-02

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel LHE    |------------------+
+                  +---------------------------------------+                  +

Channel:                               LHE
Instrument:                            Wielandt seismometer; prototype STS-1
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               90.00000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1990,159
Ending date:                           1993,048

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch LHE   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               1.16592 (V / (m/s**2) / s**8)
Number of zeroes:                      2
Number of poles:                       10
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -0.222110E+00  0.222180E+00
  1 -0.222110E+00 -0.222180E+00
  2 -0.032547E+00  0.121375E+00
  3 -0.032547E+00 -0.121375E+00
  4 -0.088844E+00  0.088871E+00
  5 -0.088844E+00 -0.088871E+00
  6 -0.121390E+00  0.032489E+00
  7 -0.121390E+00 -0.032489E+00
  8 -0.148070E-02  0.148120E-02
  9 -0.148070E-02 -0.148120E-02

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel LHZ    |------------------+
+                  +---------------------------------------+                  +

Channel:                               LHZ
Instrument:                            Wielandt seismometer; prototype STS-1
Signal units lookup:                   M/S**2 - Acceleration in m/s**2
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   -90.0000
Sample rate:                           0.2
Starting date:                         1990,159
Ending date:                           1993,048

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch LHZ   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S**2
Response out units lookup:             Volts
AO normalization factor:               1.16592 (V / (m/s**2) / s**8)
Number of zeroes:                      2
Number of poles:                       10
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -0.222110E+00  0.222180E+00
  1 -0.222110E+00 -0.222180E+00
  2 -0.032547E+00  0.121375E+00
  3 -0.032547E+00 -0.121375E+00
  4 -0.088844E+00  0.088871E+00
  5 -0.088844E+00 -0.088871E+00
  6 -0.121390E+00  0.032489E+00
  7 -0.121390E+00 -0.032489E+00
  8 -0.148070E-02  0.148120E-02
  9 -0.148070E-02 -0.148120E-02

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VHZ    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VHZ
Instrument:                            Wielandt seismometer; STS-1
Signal units lookup:                   M/S - Velocity in m/s
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   -90.0000
Sample rate:                           0.2
Starting date:                         1993,048
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VHZ   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S
Response out units lookup:             Volts
AO normalization factor:               6.6261E+02 (V / (m/s) / s**9)
Number of zeroes:                      2
Number of poles:                       12
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -0.012341E+00  0.012341E+00
  1 -0.012341E+00 -0.012341E+00
  2 -0.391760E+02  0.491230E+02
  3 -0.391760E+02 -0.491230E+02
  4 -0.246640E+00  0.488420E-01
  5 -0.246640E+00 -0.488420E-01
  6 -0.489141E-01  0.246390E+00
  7 -0.489141E-01 -0.246390E+00
  8 -0.139900E+00  0.208810E+00
  9 -0.139900E+00 -0.208810E+00
 10 -0.204200E+00  0.141340E+00
 11 -0.204200E+00 -0.141340E+00

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VHN    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VHN
Instrument:                            Wielandt seismometer; STS-1
Signal units lookup:                   M/S - Velocity in m/s
Local depth:                           150.000000
Azimuth:                               0.000000
Dip:                                   0.0000
Sample rate:                           0.2
Starting date:                         1993,048
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VHN   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S
Response out units lookup:             Volts
AO normalization factor:               6.6261E+02 (V / (m/s) / s**9)
Number of zeroes:                      2
Number of poles:                       12
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -0.012341E+00  0.012341E+00
  1 -0.012341E+00 -0.012341E+00
  2 -0.391760E+02  0.491230E+02
  3 -0.391760E+02 -0.491230E+02
  4 -0.246640E+00  0.488420E-01
  5 -0.246640E+00 -0.488420E-01
  6 -0.489141E-01  0.246390E+00
  7 -0.489141E-01 -0.246390E+00
  8 -0.139900E+00  0.208810E+00
  9 -0.139900E+00 -0.208810E+00
 10 -0.204200E+00  0.141340E+00
 11 -0.204200E+00 -0.141340E+00

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel VHE    |------------------+
+                  +---------------------------------------+                  +

Channel:                               VHE
Instrument:                            Wielandt seismometer; STS-1
Signal units lookup:                   M/S - Velocity in m/s
Local depth:                           150.000000
Azimuth:                               90.0000000
Dip:                                   0.000000
Sample rate:                           0.2
Starting date:                         1993,048
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch VHE   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              M/S
Response out units lookup:             Volts
AO normalization factor:               6.6261E+02 (V / (m/s) / s**9)
Number of zeroes:                      2
Number of poles:                       12
Complex zeroes:
  i  real          imag
  0  0.000000E+00  0.000000E+00
  1  0.000000E+00  0.000000E+00
Complex poles:
  i  real          imag
  0 -0.012341E+00  0.012341E+00
  1 -0.012341E+00 -0.012341E+00
  2 -0.391760E+02  0.491230E+02
  3 -0.391760E+02 -0.491230E+02
  4 -0.246640E+00  0.488420E-01
  5 -0.246640E+00 -0.488420E-01
  6 -0.489141E-01  0.246390E+00
  7 -0.489141E-01 -0.246390E+00
  8 -0.139900E+00  0.208810E+00
  9 -0.139900E+00 -0.208810E+00
 10 -0.204200E+00  0.141340E+00
 11 -0.204200E+00 -0.141340E+00

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel WDO    |------------------+
+                  +---------------------------------------+                  +

Channel:                               WDO (air pressure outside)
Instrument:                            Microbarograph, relative, BM-G 06
Signal units lookup:                   Pa - Pressure in Pascals
Local depth:                           150.000000
Sample rate:                           0.2
Starting date:                         1990,186
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch WDO   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              Pa
Response out units lookup:             Volts
AO normalization factor:               6.8062E-09 (V / Pa / s**8)
Number of zeroes:                      0
Number of poles:                       8
Complex poles:
  i  real          imag
  0 -0.246640E+00  4.884200E-02
  1 -0.246640E+00 -4.884200E-02
  2 -4.891411E-02  0.246390E+00
  3 -4.891411E-02 -0.246390E+00
  4 -0.139900E+00  0.208810E+00
  5 -0.139900E+00 -0.208810E+00
  6 -0.204200E+00  0.141340E+00
  7 -0.204200E+00 -0.141340E+00

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel WDI    |------------------+
+                  +---------------------------------------+                  +

Channel:                               WDI (air pressure inside)
Instrument:                            Microbarograph, relative, BM-G 06
Signal units lookup:                   Pa - Pressure in Pascals
Local depth:                           150.000000
Sample rate:                           0.2
Starting date:                         1990,274
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch WDI   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              Pa
Response out units lookup:             Volts
AO normalization factor:               6.90582e-09 (V / Pa / s**8)
Number of zeroes:                      0
Number of poles:                       8
Complex poles:
  i  real          imag
  0 -0.246640E+00  4.884200E-02
  1 -0.246640E+00 -4.884200E-02
  2 -4.891411E-02  0.246390E+00
  3 -4.891411E-02 -0.246390E+00
  4 -0.139900E+00  0.208810E+00
  5 -0.139900E+00 -0.208810E+00
  6 -0.204200E+00  0.141340E+00
  7 -0.204200E+00 -0.141340E+00

+                  +---------------------------------------+                  +
+------------------|   Station   BFO   |    Channel WKI    |------------------+
+                  +---------------------------------------+                  +

Channel:                               WKI (inner temperature, rel. to 283 K)
Instrument:                            Pt 100-Temperature sensor (Burster)
Signal units lookup:                   K - Temperature in Kelvin
Local depth:                           150.000000
Sample rate:                           0.2
Starting date:                         1994,173
Ending date:                           4000,001

+                  +---------------------------------------+                  +
+                  |   Instrument response,   BFO ch WKI   |                  +
+                  +---------------------------------------+                  +

Response type:                         Poles and zeroes
Transfer function type:                Laplace Transform (Rad/sec)
Stage sequence number:                 0
Response in units lookup:              Kelvin
Response out units lookup:             Voltsdigital units
AO normalization factor:               1.3987E-05 (V / K / s**8)
Number of zeroes:                      0
Number of poles:                       8
Complex poles:
  i  real          imag
  0 -0.246640E+00  4.884200E-02
  1 -0.246640E+00 -4.884200E-02
  2 -4.891411E-02  0.246390E+00
  3 -4.891411E-02 -0.246390E+00
  4 -0.139900E+00  0.208810E+00
  5 -0.139900E+00 -0.208810E+00
  6 -0.204200E+00  0.141340E+00
  7 -0.204200E+00 -0.141340E+00

\======