PQLX: A Software Tool to Evaluate Seismic Station Performance.


Download Information:

Download of the PQLX analysis system is available via http.  The web address provided below requires a username and password for download verification:

address: http://wush.net/svn/PQLX/tars
username: PQLXtars
password: getPQLX
tarfile: PQLX.v2007.278.tar.bz2


Sample Dataset:

Sample miniseed data set and response file:
ftp://hazards.cr.usgs.gov/web/mcnamara/PQLX/pqlx.sampdata.tar.gz
Sample Data set: (16.2 Mbyte)
Station:         AHID
Channel:       BHZ
Network:       US
Days:             2004:314 - 2004:319




Related WWW Links:

          AGU abstract, Fall 2006

Detailed discussion of the noise PDFs: methods and interpretation

Noise PDFs available on the web:
          USGS NEIC PDFs for all channels
          ANSS backbone network Noise PDF Research
IRIS DMC QUACK (II, IU, IM, UW, GE, GR, TA)
Berkeley Seismological Lab.
Earthscope Array Network Facility Station Book
ORFEUS

Developers and support:
Boaz Consultancy
D. McNamara USGS ANSS
IRIS PASSCAL DMC


Related Publications:

McNamara, D.E. and R.P. Buland, Ambient Noise Levels in the Continental United States, Bull. Seism. Soc. Am., 94, 4, 1517-1527, 2004.

McNamara, D. E., R.I. Boaz, Seismic Noise Analysis System, Power Spectral Density Probability Density Function: Stand-Alone Software Package, United States Geological Survey Open File Report, NO. 2005-1438, 30p., 2005.

McNamara, D. E., H.M. Benz and W. Leith, An Assessment of Seismic Noise Levels for the ANSS Backbone and Selected Regional Broadband Stations, United States Geological Survey, Open-File Report, NO. 2005-1077, 19p., 2005.

McNamara, D.E., R.P. Buland, R.I. Boaz, B. Weertman, and T. Ahern, Ambient Seismic Noise, Seis. Res. Lett., in review, 2005.




Maintained by: D. McNamara  mcnamara@usgs.gov
USGS Advanced National Seismic System (ANSS)

URL http://geohazards.cr.usgs.gov