4. Seismic Research Observatory - SRO:  [ SR ]

DATES OF OPERATION: 	16 Jun 1975 to 11 Apr 1985.

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.

EVENT DETECTOR ALGORITHIM:
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).
In April, 1985 the borehole seismometer was replaced with Streckeisen broad-band
surface seismometers.