The coherence analysis and the calibration analysis results are evidence that the Metrozet prototype E300 STS-1 electronics are working and that they can successfully replace the original Streckeisen electronics boxes. The new electronics also has the added advantages that it is web accessible and that it has built-in step and sinusoidal calibration stimuli which can be invoked remotely. Another advantage of the new electronics is that the high frequency corner is nominally 15 Hz while the Streckeisen high-frequency corner is 10 Hz.
Berkeley Seismological Laboratory
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