CONSTANT    3.640837E+16
ZEROS     2
  0.000000E+00  0.000000E+00
  0.000000E+00  0.000000E+00
POLES     5
 -3.701000E-02  3.701000E-02
 -3.701000E-02 -3.701000E-02
 -2.513000E+02  0.000000E+00
 -1.310000E+02  4.673000E+02
 -1.310000E+02 -4.673000E+02

##################################################
###   2.386614E+05     Norm. Factor A0 (in Hz)   #
###  1500.0   V/m/s                              #
###   2.439   microV/Count                       #
###           STS-2N                             #
###           Q-4120-M                           #
###           Poles/Zeroes in rad/sec            #
##################################################
### Network Code: HL
### Station Code: SIVA
### Description : Sivas, Crete, Greece
### Stream Code : HH
### Latitude    : 35.0175
### Longitude   : 24.8100
### Elevation   : 96
###
### Start Date  : 01-12-2004
### End Date    : 23-11-2010
 
###  PERIOD #2  ]=-----------------------------###
 
CONSTANT    3.552001E+16
ZEROS     2
  0.000000E+00  0.000000E+00
  0.000000E+00  0.000000E+00
POLES     5
 -3.701000E-02  3.701000E-02
 -3.701000E-02 -3.701000E-02
 -2.513000E+02  0.000000E+00
 -1.310000E+02  4.673000E+02
 -1.310000E+02 -4.673000E+02

##################################################
###   2.386614E+05     Norm. Factor A0 (in Hz)   #
###  1500.0   V/m/s                              #
###   2.500   microV/Count                       #
###           STS-2N                             #
###           PS6-SC                             #
###           Poles/Zeroes in rad/sec            #
##################################################
### Network Code: HL
### Station Code: SIVA
### Description : Sivas, Crete, Greece
### Stream Code : HH
### Latitude    : 35.0178
### Longitude   : 24.8120
### Elevation   : 96
###
### Comments    : location change?
###
### Start Date  : 23-11-2010
### End Date    : 22-07-2011
 
###  PERIOD #3  ]=-----------------------------###
 
CONSTANT    4.572062E+17
ZEROS     2
  0.000000E+00  0.000000E+00
  0.000000E+00  0.000000E+00
POLES     5
 -5.026548E+02  0.000000E+00
 -1.005310E+03  0.000000E+00
 -1.130973E+03  0.000000E+00
 -7.401592E-02  7.401592E-02
 -7.401592E-02 -7.401592E-02

##################################################
###   2.304000E+06     Norm. Factor A0 (in Hz)   #
###  2000.0   V/m/s                              #
###   2.500   microV/Count                       #
###           CMG-3ESPC/60                       #
###           PS6-SC                             #
###           Poles/Zeroes in rad/sec            #
##################################################
### Network Code: HL
### Station Code: SIVA
### Description : Sivas, Crete, Greece
### Stream Code : HH
### Latitude    : 35.0178
### Longitude   : 24.8120
### Elevation   : 96
###
### Comments    : sensor change
###
### Start Date  : 22-07-2011
### End Date    : currently used (25-11-2015)