2. China Digital Seismograph Network - CDSN [CD] 

DATES OF OPERATION:     24 Oct 1986 to 06 Jun 1993.

SEISMOMETER TYPE:
Streckeisen Model STS-1 three component system for all broadband, long period 
and very long period data.  The Model DJ-1 seismometer, manufactured in China, 
and modified for use in a borehole, for all short period data.

DIGITAL FORMAT:
16 bit gain-ranged data words for all components.  
Range: +1,048,576 to -1,048,448 counts.

EVENT DETECTOR ALGORITHIM:
The Murdock event detector (Murdock, 1983) is used for the short period 
components. 

Click on any of the following items for further information.

• Channel Data
• Amplitude Response to Ground Motion
• Seismic Noise Study graph information

• Seismic Noise Level - Annual
• Seismic Noise Level - Seasonal/Diurnal

COMMENTS:
A description of the China Digital Seismograph Network (CDSN) is available  
in a joint report by the State Seismological Bureau and the Albuquerque  
Seismological Laboratory (ASL) available through the ASL.