1. GEOFON: [ GE ] DATES OF OPERATION: 05 Jan 1995 to 17 Sep 1995. SEISMOMETER TYPE & ADC: Streckeisen STS-1 very broad band seismometer and Kinemetrics FBA-23 low-gain accelerometer. ADC is Quanterra QX80. DIGITAL FORMAT: 24 bit integer data words for all broadband, long period, very long period and ultra long period channels. Range: +8,388,607 to -8,388,608 counts 16 bit integer data words for mass position and all environmental channels. Range: +32767 to -32768 EVENT DETECTOR ALGORITHM: The Murdock event detector (Murdock, 1991) is used for the event detected compon ents. Click on any of the following items for further information.