1.    Project IDA [ ID ]

DATES OF OPERATION:  Apr 1976  - Present

SEISMOMETER TYPE & DATA ACQUISITION SYSTEM: 
Project IDA modified La Coste gravimeter with electrostatic sensing and feedback, 
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	4.381e+09 C/(m/s2) @ 0.01 Hz