U.S. Geological Survey Open-File Report 75-95
Last modified October 20, 2010
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Eaton, J.P., 1975, Harmonic magnification of the complete telemetered seismic system, from seismometer to film viewer screen: U.S. Geological Survey Open-File Report 75-95, 45 p.
I. Harmonic magnification of the complete telemetered seismic system, from film seismometer to film viewer screen
II. Calculation of response arrays for the NCER telemetered seismic systems
III. Seismograph station calibration procedure
IV. Block diagram and description of the standard system and its components and their nominal operating characteristics
V. Test circuits, definitions, and procedures
Appendix A. L-pad attenuator to damp seismometer and to adjust its output to a desired level
Appendix B. An unbalanced T-pad attenuator for seismic application