SPA - STATION INSTRUMENTATION

2.    Project IDA [ ID ]

DATES OF OPERATION: December 1977 - Present

SEISMOMETER TYPE & DATA ACQUISITION SYSTEM:  
UCLA modified LaCoste earth-tide gravimeter, with IDA filter and recorded on 
IDA MK1 datalogger.

DIGITAL FORMAT: 
Files correspond to original data tapes with EBCDIC headers and 16-bit integer words.

CHANNEL DATA:   
Caution: These sensitivities correspond only to the most recent calibration.  A 
complete set of instrument responses is available in the programs IDANUM and
IDARES, available on anonymous ftp to cahuilla.ucsd.edu.

Channel		Sampling Rate		Sensitivities
UHZ		0.1 sps continuous	4.929e+09 C/(m/s2) @ 0.01 Hz