NASA NTRS · 19780033470
The Viking seismometer
Abstract
The Viking seismometer, operating on the Martian surface in the region of Utopia Planitia, includes three inertial velocity transducers, amplifiers, filters, automatic event detectors, data compactors, and temporary data storage capability within a unit weighing 2.2 kg. The seismometer functions at a peak magnification of 218,000 with a ground resolution of 2 nanosec and 3 Hz. Since the telemetry capacities associated with the system are limited, the seismometer instrument package employs three data processing modes: a high sampling rate mode; a heavily filtered background monitoring mode; and a frequently-used data compacting mode.
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Miller, W. F.. 1977-01-01. The Viking seismometer. https://ntrs.nasa.gov/citations/19780033470
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