CONSTANT    2.660990E+08
ZEROS     2
  0.000000E+00  0.000000E+00
  0.000000E+00  0.000000E+00
POLES     2
 -2.230000E-01  2.230000E-01
 -2.230000E-01 -2.230000E-01

##################################################
###   1.000000E+00     Norm. Factor A0 (in Hz)   #
###  1000.0   V/m/s                              #
###   3.758   microV/Count                       #
###           LE-3D/20                           #
###           DR24-SC                            #
###           Poles/Zeroes in rad/sec            #
##################################################
### Network Code: HL
### Station Code: NPS
### Description : Neapolis (Crete)
### Stream Code : HH
### Latitude    : 35.2613
### Longitude   : 25.6103
### Elevation   : 288
###
### Start Date  : 05-08-1997
### End Date    : 17-07-2010
 
###  PERIOD #2  ]=-----------------------------###
 
CONSTANT    9.843214E+13
ZEROS     5
  0.000000E+00  0.000000E+00
  0.000000E+00  0.000000E+00
 -9.000000E+01  0.000000E+00
 -1.607000E+02  0.000000E+00
 -3.108000E+03  0.000000E+00
POLES     7
 -3.852000E-02  3.658000E-02
 -3.852000E-02 -3.658000E-02
 -1.780000E+02  0.000000E+00
 -1.350000E+02  1.600000E+02
 -1.350000E+02 -1.600000E+02
 -6.710000E+02  1.154000E+03
 -6.710000E+02 -1.154000E+03

##################################################
###   7.801731E+03     Norm. Factor A0 (in Hz)   #
###  1201.0   V/m/s                              #
###   3.758   microV/Count                       #
###           TRILLIUM 120                       #
###           DR24-SC                            #
###           Poles/Zeroes in rad/sec            #
##################################################
### Network Code: HL
### Station Code: NPS
### Description : Neapolis (Crete)
### Stream Code : HH
### Latitude    : 35.2613
### Longitude   : 25.6103
### Elevation   : 288
###
### Comments    : Trillium 120P on site
###
### Start Date  : 17-07-2010
### End Date    : 20-07-2011
 
###  PERIOD #3  ]=-----------------------------###
 
CONSTANT    5.243927E+13
ZEROS     2
  0.000000E+00  0.000000E+00
  0.000000E+00  0.000000E+00
POLES     4
 -3.600000E-02  3.800000E-02
 -3.600000E-02 -3.800000E-02
 -2.220000E+02  2.220000E+02
 -2.220000E+02 -2.220000E+02

##################################################
###   2.495880E+03     Norm. Factor A0 (in Hz)   #
###  2000.0   V/m/s                              #
###   3.758   microV/Count                       #
###           KS2000                             #
###           DR24-SC                            #
###           Poles/Zeroes in rad/sec            #
##################################################
### Network Code: HL
### Station Code: NPS
### Description : Neapolis (Crete)
### Stream Code : HH
### Latitude    : 35.2613
### Longitude   : 25.6103
### Elevation   : 288
###
### Comments    : sensor change
###
### Start Date  : 20-07-2011
### End Date    : currently used (25-11-2015)