1. Seismic Research Observatory - SRO:   [ SR ] 

DATES OF OPERATION:  12 Jun 1979 to 09 Nov 1990. 

SEISMOMETER TYPE:
Teledyne-Geotech Model KS-36000 borehole seismometer.    

DIGITAL FORMAT:
16 bit gain-ranged data words for all components.  Range: +2,096,128 
to -2,097,152 counts.

EVENT DETECTOR ALGORITHM:
The Murdock event detector (Murdock, 1983) was installed on 03 May 1983.  Prior
to that time a detector developed by the Unitech Corp., Austin, Texas was used.
This detector was not documented.

Click on any of the following items for further information.

• Channel Data
• Amplitude Response to Ground Velocity
• Seismic Noise Study graph information
  • Seismic Noise Level - Annual
  • Seismic Noise Level - Seasonal/Diurnal

COMMENTS:
A complete description of the SRO system can be found in Peterson et al. (1976).
29 Feb 1984: six second notch filter removed.
14 Aug 1984: Horizontal short period components installed.