CONSTANT    1.216621E+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
 -1.480318E-01  1.480318E-01
 -1.480318E-01 -1.480318E-01

##################################################
###   2.304000E+06     Norm. Factor A0 (in Hz)   #
###   800.0   V/m/s                              #
###   3.758   microV/Count                       #
###           CMG-40T/30                         #
###           DR24-SC                            #
###           Poles/Zeroes in rad/sec            #
##################################################
### Network Code: HL
### Station Code: NVR
### Description : Nevrokopi
### Stream Code : HH
### Latitude    : 41.3484
### Longitude   : 23.8651
### Elevation   : 627
###
### Start Date  : 23-11-2001
### End Date    : 24-03-2008
 
###  PERIOD #2  ]=-----------------------------###
 
CONSTANT    2.362959E+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                              #
###   3.758   microV/Count                       #
###           STS-2                              #
###           DR24-SC                            #
###           Poles/Zeroes in rad/sec            #
##################################################
### Network Code: HL
### Station Code: NVR
### Description : Nevrokopi
### Stream Code : HH
### Latitude    : 41.3484
### Longitude   : 23.8651
### Elevation   : 627
###
### Comments    : sensor change
###
### Start Date  : 24-03-2008
### End Date    : 29-06-2009
 
###  PERIOD #3  ]=-----------------------------###
 
CONSTANT    3.041552E+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                              #
###   3.758   microV/Count                       #
###           CMG-3ESPC/60                       #
###           DR24-SC                            #
###           Poles/Zeroes in rad/sec            #
##################################################
### Network Code: HL
### Station Code: NVR
### Description : Nevrokopi
### Stream Code : HH
### Latitude    : 41.3484
### Longitude   : 23.8651
### Elevation   : 627
###
### Comments    : sensor change
###
### Start Date  : 29-06-2009
### End Date    : currently used (25-11-2015)