USGS Professonal Paper 1096 - IRIS

System response curves are presented in Wood, H. O. , 1942, A chronological conspectus of
Appendix 2. The curveS wefe prepared from those sel.smologl.c statl.ons: Sel.smoI. Soc. AlDersent
by the station. Because the electronics of ica Bull. , v. 32, no. 2, p. 97-159.
a system can be easily changed, these curves may
not reflect the characteristics of a system at
any future lillie.
GLOSSARY OF ABBREVIATIONS
Short history.--Information about the sta- AFTAC Air Force Technical Applications Cention's
origin, development, or role in partic-
ter.
ular research is listed. This history is
occasionally quite detailed, but may be only ARPA Advance Research Projects Agency.
anecdotal. Some information about station
reports and records may also be included under ClRES Cooperative Institute for Research in
history. If no information was available for a Environmental Science, University of
history • this heading was omitted.
Colorado.
ACKNOWLEDGMENTS
C.I.T.
Bo. , .10
California Institute of Technology.
Bitto.
I am indebted to several individuals for HGLP High-Gain Long-Period--standard intheir
help during various phases leading to the
struments developed at Lamont-Doherty
pHblieatiofl of this .olliftle. Mtleh 6f the initial Geological Observatory and cur rently
data gathering was done by Pamela A. Covingtonj
maintained by the USGS.
without her constructive beginnings, I would
never have completed this proj ect. Carl w. Hz Hertz (cycles per second).
Stever eentrilmtea the eomptlter plots of sta
tions and, along with John S. Derr, provided IGY International Geophysical Year.
invaluable support and suggestions. Debbie A.
John, Paula K. Sml.th, Kathleen Gentl.lle, and Jan IQSY International Year of the Quiet Sun.
M. Nevin assisted in the volumes of compilation
and cross-checking inherent in this type of IRIG-C A format for time signals, represented
work. Helen E. Hodgson maintained unflagging in binary-coded decimal (BCD).
l.nterest ,n the edl.torl.al form of this publication,
and I am most appreciative of her efforts. K Thousand. (Magnification of 10 K is
the same as 10,000.)
Additionally, several individual station
operators spend generous amounts of time with me LASA Large-Aperture Seismic Array.
clarifying information about their own stations,
as well as about other ] Qc:a] statjoDs, and this IRSM I aog-Range Sejsmic Measllt:ement--an
assistance was greatly appreciated.
AFTAC project.
M.I.T.
Massachusetts Institute of Technology.
REFERENCES CITED NElS National Earthquake Information Service.
Hnhersity of /liehigaa Institute of Science and
Technology, 1965, Handbook--World-Wide NOAA National Oceanic and Atmospheric Ad-
Standard Seismograph Network: Ann Arbor, ministration.
unpaged.
-Charlier, Ch. and van Gils, J. M. , 1953, Liste
sec Second (Ulll.t of ume).
des stations seismologiques mondiales: SRO Seismic Research Observatory--standard
Brussels, Observatoire Royal de' Belgique,
USGS instruments.
unpaged.
USC&GS U.S. Coast and Geodetic Survey.
Covington, P. A. , 1974, Seismograph station Many stations and I1rojects run under
abbreviations and coordinates: U.S. Geo- the USC&GS were eventually transferred
logical Survey National Earthquake Informa-
within the U.S. Department of Commerce
tion Service, MS 967, Box 25046, Denver and finally to the U.S. Department of
Federal Center J Denver, CO 80225, J2 p. the Interior, as follows:
McComb, H. E. , and West, C. J. , 1931, List of USC&GS (U.S.
seimological stations of the world, 2d ed. :
Department of
Nat ' 1. Research Council Bull., 119 p. Commerce) to July 1965
3