1. Each ring consists of an odd number of seismometer sites. 2. The SP seismometer displayed reduced sensitivity at low signal levels following deployment. 3. The seismometer picked up periodic swarms of energy coming from the nearby seafloor. 4. The Han dynasty was an astronomy, and a seismometer employing an inverted pendulum. 5. The seismometer capsule was also painted with a sawtooth pattern for better thermal protection. 6. Tiltmeters have a long history, somewhat parallel to the history of the seismometer . 7. Unlike the continually recording seismometer , accelerometers nearly always work in a triggered mode. 8. The primary onboard instrument was a seismometer . 9. The tiny transmitter in the seismometer capsule continued sending out a 50-milliwatt signal. 10. The Volcanological Observatory there did not get its first seismometer until some three years later.
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