NWAO - STATION INSTRUMENTATION

2.    Seismic Research Observartory - SRO:  [ SR ]

DATES OF OPERATION:  21 Jun 1976 to 27 Oct 1991

SEISMOMETER TYPE:
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 was installed on 03 May 1983.  Prior to this time an 
event 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.
The Noise Study was done using 1992 data, consequently, it is only an estimation for this generation of station instrumentation. 
COMMENTS:
A complete description of the SRO system can be found in Peterson et al (1976).