Table 7

Values for the free period, generator constant, and damping ratio for each sensor. Channel 1 (7a) refers to Vertical component, channel 2 (7b) refers to North-South, and channel 3 (7c) refers to East-West. Note that these factors can be different for different channels of the same station.

Table 7a (channel 1-Vertical component)

Station No.
Free Period
Generator Constant
Damping Ratio

(s)
(volts/m/s)


245
244
216
203
002
004
005
301
601
007
008
009
010
011
012
013
014
016
018
019
020
021
022
024
025
027
028
029
030
031
032
033
331
034
035
036
037
038
039
040
042
045
046
048
050
052
054
058
060
062
065
066
068
070
072
074
077
080
082
084
086
088
090
092
094
096
098
100
102
104
106
108
110
112
114
116
118
122
128
130
0.890
0.501
0.502
0.514
0.493
0.475
0.481
1.059
1.379
0.488
0.482
0.982
0.454
0.226
1.045
0.479
0.467
0.484
1.050
0.507
0.499
0.838
0.479
0.871
0.468
0.796
0.834
0.476
0.843
0.493
1.035
1.015
1.029
1.004
1.022
0.478
0.458
0.480
0.500
0.475
0.490
0.472
0.845
0.482
0.984
1.002
0.451
0.997
0.494
0.500
0.916
0.474
1.656
0.772
0.515
0.934
0.956
0.440
0.531
0.898
0.499
0.458
0.987
0.493
0.503
0.989
0.449
0.480
0.935
0.468
0.486
0.840
0.474
0.482
0.902
0.486
0.444
0.461
0.431
0.489
406.0040
87.2854
87.6997
89.3370
134.3400
133.5020
91.9350
169.3540
8.4729
140.2260
144.9560
166.1000
97.7360
135.2730
165.5860
143.4410
88.1217
138.2270
164.5890
226.0150
141.2140
418.4450
90.5298
413.6210
88.1379
290.5990
250.3250
95.3678
399.9580
93.0692
166.6320
169.8990
168.3770
164.8790
166.0710
239.1550
89.6289
242.5190
164.2720
81.8028
241.9440
91.3397
425.3440
143.3370
134.0840
133.5230
91.2792
134.4250
87.9469
146.9290
133.9100
93.1866
25.7642
126.8140
88.9155
134.3800
131.5420
100.4210
234.7470
415.7270
86.8729
142.8290
132.3600
86.2785
327.6280
137.9430
91.2586
133.5780
262.2360
145.8230
85.9718
409.1350
140.9180
93.3643
420.9600
140.4370
93.4577
137.6020
86.5354
143.5630
0.729
0.666
0.668
0.678
0.765
0.768
0.758
0.850
1.204
0.776
0.820
0.695
0.768
1.011
0.719
0.789
0.714
0.765
0.691
0.464
0.815
0.666
0.746
0.690
0.635
0.215
0.215
0.727
0.643
0.767
0.709
0.732
0.727
0.708
0.674
0.688
0.621
0.701
0.774
0.952
0.708
0.751
0.690
0.811
0.671
0.696
0.683
0.706
0.674
0.906
0.693
0.708
1.171
0.681
0.706
0.676
0.771
0.737
0.457
0.702
0.717
0.802
0.709
0.660
0.429
0.725
0.726
0.807
0.275
0.791
0.724
0.646
0.776
0.755
0.743
0.797
0.702
0.753
0.750
0.769

Table 7b (channel 2-North-South component)

Station No.
Free Period
Generator Constant
Damping Ratio

(s)
(volts/m/s)


245
244
216
203
005
301
009
010
012
014
018
021
022
024
025
027
028
029
030
031
032
033
331
034
035
036
037
038
040
042
045
046
050
052
054
058
060
065
066
070
072
074
077
080
084
086
090
092
096
098
102
106
108
112
114
118
128
1.022
0.499
0.600
0.582
0.439
0.986
1.007
0.483
1.002
0.513
1.000
0.879
0.528
0.950
0.464
0.849
0.951
0.416
0.974
0.332
0.990
0.963
1.099
0.951
0.975
0.514
0.482
0.481
0.479
0.490
0.469
0.953
0.903
0.683
0.510
0.730
0.539
0.780
0.492
0.824
0.632
0.785
0.672
0.442
0.991
0.558
0.841
0.662
0.751
0.509
1.013
0.456
0.885
0.456
0.956
0.535
0.538
410.2190
93.3271
87.7659
89.2091
87.0482
167.6180
166.3110
94.0344
164.7410
86.1178
163.3540
406.9780
94.2723
408.2470
90.1702
260.3330
253.9320
95.9912
419.3300
91.5438
169.3480
161.5950
165.7040
158.6720
169.0560
233.3490
86.8858
236.4410
93.2249
237.5750
84.0182
411.1730
88.6862
133.2130
86.5998
129.6610
88.7479
130.5380
94.3758
6.3543
81.4488
123.2950
111.9660
91.3685
417.6540
88.3731
124.1250
82.3437
122.4540
89.9133
267.5990
94.1082
410.7640
98.3155
425.1430
91.4339
84.3302
0.762
1.003
0.701
0.826
0.586
0.720
0.659
0.729
0.669
0.745
0.674
0.712
1.010
0.721
0.768
0.246
0.250
0.733
0.734
0.516
0.737
0.656
0.700
0.695
0.741
0.694
0.727
0.656
0.839
0.671
0.689
0.764
0.544
0.466
0.611
0.562
1.019
0.585
0.762
0.143
0.669
0.554
0.409
0.733
0.775
0.715
0.599
0.833
0.511
0.696
0.296
0.755
0.699
0.816
0.724
0.915
0.712

Table 7c (channel 3- East-West component)

Station No.
Free Period
Generator Constant
Damping Ratio

(s)
(volts/m/s)


245
244
216
203
005
301
009
010
012
014
018
021
022
024
025
027
028
029
030
031
032
033
331
034
035
036
037
038
040
042
045
046
050
052
054
058
060
065
066
070
072
074
077
080
084
086
090
092
096
098
102
106
108
112
114
118
128
0.947
0.503
0.586
0.475
0.458
1.042
1.124
0.410
0.956
0.455
1.047
0.988
0.510
0.952
0.490
0.955
0.865
0.404
0.952
0.596
0.998
1.011
0.913
1.031
0.949
0.520
0.452
0.487
0.489
0.460
0.462
0.931
0.661
0.668
0.547
0.639
0.687
0.674
0.513
0.828
0.541
0.736
0.768
0.514
0.991
0.559
0.722
0.499
0.797
0.572
0.990
0.501
0.975
0.428
0.941
0.493
0.454
417.0490
92.8504
83.3077
90.5604
87.2550
161.8670
163.9360
89.9278
172.3430
92.3174
165.5810
411.8190
96.2127
430.9310
90.6195
282.1770
281.1540
88.8648
412.4670
85.6349
162.3400
161.8760
165.2220
167.5240
165.5610
239.9450
94.7209
240.5810
97.0072
235.3980
90.7180
415.6860
94.0997
85.8947
87.8557
121.8360
81.7821
118.2020
92.5487
19.5480
86.8392
103.5310
118.9410
92.3221
417.6540
82.4251
120.4680
90.0341
126.5840
95.5717
277.0230
86.9918
408.3360
94.3864
433.0480
94.0574
92.5953
0.786
0.804
0.819
0.594
0.696
0.697
0.738
0.679
0.751
0.621
0.740
0.706
0.923
0.751
0.655
0.252
0.225
0.662
0.726
0.735
0.684
0.644
0.680
0.652
0.706
0.724
0.762
0.669
0.758
0.632
0.762
0.773
0.371
0.412
0.683
0.426
0.695
0.431
0.702
0.606
0.720
0.503
0.512
0.705
0.775
0.625
0.508
0.683
0.641
1.203
0.288
0.743
0.727
0.780
0.790
0.941
0.787