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Unit Serial Number: 44 
Event Number :     6 
Selected Channels : ch1   ch2  ch3 
Clock Synchronization Source : External IRIG - E 
Record Kind : Event Record 
Timezone Offset : 8 
Latitude of Unit Location : N 40deg 27' 53 
Longitude of Unit Location :E 115deg 58' 9 
Elevation of Unit Location : 488 m 
Azmuth of Sensor : 180 
Full Scale Range of Standard FBA : +/- 2g 
Natural frequency of FBA is : 80Hz , 80Hz , 80Hz 
Sensitivity of FBA is : 1255mv/g , 1256mv/g , 1255mv/g 
Damping ratio of FBA is : .67, .67, .67 
Channel I.D string :CH1+D,CH,2+S,CH3+,W        
Report Intensity Parameters : Yes 
Threshold for defined duration : 20% 
Selected four frequencies for calculating responses spectrum : 8Hz 5Hz 2Hz 1Hz  
The AFT weight is :  0.85,0.05,0.10 
The Res weight is :  .1, .4, .1, .4 
The 3_r weight is :  .4, .6 
Sample Frequency :  250 Hz 
Preamplifier Gains : X10 
High Pass filter: DC coupled 
Internal Channel Trigger Votes:  1,  1,  1 
External Trigger Votes: 1 
Total number of weights required to trigger: 1 
Pre-event Memory Length: 10 sec 
Post-event Memory Length: 20 sec 
Minimum Run Time: 30 sec 
Channel Trigger Algorithm: 1.STA versus LTA  2.STA versus LTA  3.STA versus LTA 
LTA Critical Value: 16 
STA Length: 125 samples 
LTA Length: 20 STA 
STA/LTA difference or Bandpass-filtered Thresholds :  64, 64, 64 
STA/LTA ratio: 2,2,2 
GPS Turn-on interval : 60 min 
File Lengh : 10000 
Event start_time :2001/3/2 12:29:40 963 
Time of last synchronization time : 2001/2/28 15:8:47 
New time of last synchronization time : 2001/3/2 12:4:27 0 
Old time of last synchronization time : 2001/3/2 12:4:26 999 
Channel Positive Maximum of record : 67,295,379 
Channel Negative Maximum of record : -213,-238,-56 
User Comment: No.B023 No.1 Schoool in Yanqing