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IRIS/USGS Plans for Upgrading the Global Seismograph Network

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IRIS/USGS Plans for Upgrading the Global Seismograph Network; 1989; OFR; 89-471; Peterson, Jon; Hutt, Charles R.

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PREFACE This report has been prepared to provide information to organizations that may be asked to participate in a program to upgrade the global seismographic network. In most cases, the organizations that will be offered new instrumentation by the U.S. Geological Survey currently operate stations in the World-Wide Standardized Seismograph Network (WWSSN) or the Global Digital Seismograph Network (GDSN). The deployment of the WWSSN in the 1960's and the subsequent equipping of some WWSSN stations with digital equipment and borehole seismometers during the 1970's has been a remarkably successful program that generated the high- quality data needed to fuel an unprecedented period of progress in earthquake and tectonic research. The [...]

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Type Scheme Key
local-index unknown ofr89471
local-pk unknown 15404
series unknown Open-File Report

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journalOpen-File Report
editionReport revised in 1992, map in 1996
languageENGLISH
citationTypeReport

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