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October 1, 2009
OPUS STATISTICS
Total number of monthly solutions for OPUS-S and OPUS-RS are graphically
displayed at:
http://www.ngs.noaa.gov/OPUSI/Plots/OPUS.gif
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October 1, 2009
OPUS WORKSHOP IN ALBANY, OREGON ON OCTOBER 16
A one-day Online Positioning User Service (OPUS) seminar-workshop sponsored by
the Oregon GPS Users Group will be held at the Linn County (Faigrounds)
Expo Center, Albany OR/October 16, 2009. More information is available at:
http://ogug.net
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October 1, 2009
OPUS COVERAGE BY COUNTY IN SEPTEMBER 2009
To see a plot of OPUS solutions in the US by county during September 2009
click at:
http://www.ngs.noaa.gov/OPUSI/Plots/2009-09opus.gif
To see a plot of OPUS-RS solutions in the US by county during September 2009
click at:
http://www.ngs.noaa.gov/OPUSI/Plots/2009-09opus-rs.gif
The total OPUS coverage (OPUS + OPUS-RS) by county during a period of one year
can be seen at:
http://www.ngs.noaa.gov/OPUSI/Plots/2009-09_2008-10combined.gif
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September 30, 2009
GRAPHICAL DISPLAY OF OPUS-RS ACCURACIES
To know the approximate accuracy of OPUS-RS solutions as a function of
geographyc location, click the following two graphs:
Horizontal accuracy: http://www.ngs.noaa.gov/OPUSI/Plots/USall-h.png
Ellipsoid height accuracy: http://www.ngs.noaa.gov/OPUSI/Plots/USall-u.png
A brief description of how these graphs were generated is available at:
http://www.ngs.noaa.gov/OPUSI/Plots/OPUS-RSWebPlots.pdf
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September 30, 2009
FTP AND UFCORS STATISTICS FOR SEPTEMBER 2009
FTP server statistics for Sep 2009
Total Requests: 533932 (all FTP requests logged)
Total Data Transferred: 263726 MB (all files)
Requests for RINEX data: 440794 (82% of total requests)
2009 data: 343761 (77% of RINEX requests)
2008 data: 35225 ( 7% of RINEX requests)
2007 data: 13829 ( 3% of RINEX requests)
2006 data: 41960 ( 9% of RINEX requests)
2005 data: 3442
2004 data: 1507
2003 data: 77
2002 data: 1
2001 data: 32
2000 data: 16
1999 data: 2
1998 data: 8
1997 data: 1
1996 data: 147
1995 data: 690
1994 data: 96
Requests for daily files. Requests for hourly files.
Total: 311156 - 231396 MB Total: 93721 - 6302 MB
Obs: 58866 - 178314 MB Obs: 9695 - 5016 MB
Nav: 0 - 0 MB Nav: 0 - 0 MB
Met: 90 - 0 MB Met: 474 - 0 MB
Sum: 4253 - 0 MB Sum: 628 - 0 MB
Other: 247947 - 53000 MB Other: 82924 - 1281 MB
Requests for ephemerides files.
IGR: 493 - 40 MB
IGS: 289 - 22 MB
IGU: 247 - 37 MB
Brdc: 33103 - 1661 MB
Other files: 1785 - 34 MB
Requests from top 10 hosts (% of RINEX requests):
ttc-tps.topconps.org: 100167 (22%) - 6760 MB ( 2%)
sedna.unibe.ch: 46488 (10%) - 716 MB ( 0%)
atlas.haystack.edu: 32477 ( 7%) - 39822 MB (16%)
icap2.nict.go.jp: 31293 ( 7%) - 9920 MB ( 4%)
matara.ucar.edu: 30628 ( 6%) - 592 MB ( 0%)
carina1.cosmic.ucar.edu: 25766 ( 5%) - 1073 MB ( 0%)
geoback.nbmg.unr.edu: 24504 ( 5%) - 7492 MB ( 3%)
d206-088.geology.wisc.edu: 21372 ( 4%) - 6936 MB ( 2%)
tokonda.ucar.edu: 15842 ( 3%) - 297 MB ( 0%)
transfer.tco.census.gov: 13601 ( 3%) - 7337 MB ( 3%)
gpsingest1.fsl.noaa.gov: 12493 ( 2%) - 197 MB ( 0%)
Total: 354631 (80%) - 81148 MB (33%)
Plots for "user friendly" CORS (UFCORS) requests for last month are available at
the following Web address:
http://www.ngs.noaa.gov/CORS-Proxy/UfcorsLogStatistics/corsstatisticsv3?month=Sep&year=2009
Month by month statistics can be viewed at:
http://www.ngs.noaa.gov/CORS-Proxy/UfcorsLogStatistics/corsstatisticsv3?month=All&year=2009
http://www.ngs.noaa.gov/CORS-Proxy/UfcorsLogStatistics
A graphic display of FTP and UFCORS activity is available at:
http://www.ngs.noaa.gov/OPUSI/Plots/CORS.gif
