Published February 1, 1963
| Published
Journal Article
Open
The Caltech digital seismograph
- Creators
- Miller, Wayne F.
Chicago
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Abstract
A digital data logger has been constructed at the California Institute of Technology for recording the signals from long-period Press-Ewing seismometers. Three-component data are continuously digitized at the rate of 10 samples per second with an 86-db dynamic range and stored on magnetic tape. With a tape speed of 0.5 inch/sec, data for a 24-hour period may be recorded on one 10 1/2-inch reel. An editing system is then used to select interesting events and convert them to a form compatible with the IBM 7090 computer for further reduction and analysis.
Additional Information
© 1963 American Geophysical Union. Manuscript received August 24, 1962; revised November 7, 1962. I should like to express my appreciation to Mr. John Nordquist for writing the G15 computer program for time flag computation, and for his efforts in editing the data. This work was supported under contract AF-49(638)910, Air Force Office of Scientific Research, as part of Advanced Research Projects Agency project Vela.Attached Files
Published - Miller-1963-Journal_of_Geophysical_Research.pdf
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Miller-1963-Journal_of_Geophysical_Research.pdf
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Additional details
- Eprint ID
- 79309
- Resolver ID
- CaltechAUTHORS:20170724-153351713
- Air Force Office of Scientific Research (AFOSR)
- AF-49(638)910
- Advanced Research Projects Agency (ARPA), project Vela
- Created
-
2017-07-24Created from EPrint's datestamp field
- Updated
-
2021-11-15Created from EPrint's last_modified field
- Caltech groups
- Seismological Laboratory
- Other Numbering System Name
- Caltech Division of Geological Sciences
- Other Numbering System Identifier
- 1108