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- 05-04-2010
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May 3, 2010
OPUS COVERAGE BY COUNTY IN APRIL 2010
To see a plot of OPUS solutions in the US by county during April
2010 click at:
http://www.ngs.noaa.gov/OPUSI/Plots/2010-04opus.gif
To see a plot of OPUS-RS solutions in the US by county during March
2010 click at:
http://www.ngs.noaa.gov/OPUSI/Plots/2010-04opus-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/2010-04_2009-05combined.gif
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May 3, 2010
GRAPHICAL DISPLAY OF OPUS-RS ACCURACIES (UPDATED WEEKLY)
To know the approximate accuracy of OPUS-RS solutions as a function of
geographic location, click the following two graphs:
a) 15 minutes session accuracy
Horizontal accuracy:
http://www.ngs.noaa.gov/OPUSI/Plots/OPUSRSall-h.15-min.png
Ellipsoid height accuracy:
http://www.ngs.noaa.gov/OPUSI/Plots/OPUSRSall-u.15-min.png
b) 1 hour session accuracy
Horizontal accuracy:
http://www.ngs.noaa.gov/OPUSI/Plots/OPUSRSall-h.1-hour.png
Ellipsoid height accuracy:
http://www.ngs.noaa.gov/OPUSI/Plots/OPUSRSall-u.1-hour.png
An interactive web-based beta version is available at:
http://www.ngs.noaa.gov/OPUSI/Plots/Gmap/OPUSRS_sigmap.shtml
A brief description of how these graphs were generated can be read at:
http://www.ngs.noaa.gov/OPUSI/Plots/OPUS-RSWebPlots.pdf
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May 3, 2010
RECENT OPUS STATISTICS
Total number of monthly solutions for OPUS-S, OPUS-RS, and OPUS-DB are
graphically displayed at:
http://www.ngs.noaa.gov/OPUSI/Plots/OPUS.jpg
==============================================================================
May 3, 2010
FTP server statistics for Apr 2010
Total Requests: 1661411 (all FTP requests logged)
Total Data Transferred: 367465 MB (all files)
Requests for RINEX data: 1515305 (91% of total requests)
2010 data: 1268938 (83% of RINEX requests)
2009 data: 33314 ( 2% of RINEX requests)
2008 data: 22121 ( 1% of RINEX requests)
2007 data: 95003 ( 6% of RINEX requests)
2006 data: 49401 ( 3% of RINEX requests)
2005 data: 34755 ( 2% of RINEX requests)
2004 data: 1167
2003 data: 1346
2002 data: 2826
2001 data: 2275
2000 data: 1027
1999 data: 785
1998 data: 2232
1997 data: 111
1994 data: 4
Requests for daily files. Requests for hourly files.
Total: 449836 - 298790 MB Total: 1005348 - 33687 MB
Obs: 70606 - 222857 MB Obs: 36514 - 18474 MB
Nav: 0 - 0 MB Nav: 0 - 0 MB
Met: 214 - 1 MB Met: 5661 - 5 MB
Sum: 3410 - 0 MB Sum: 332 - 0 MB
Other: 375606 - 75867 MB Other: 962841 - 15205 MB
Requests for ephemerides files.
IGR: 594 - 48 MB
IGS: 1055 - 81 MB
IGU: 148 - 23 MB
Brdc: 58242 - 3083 MB
Other files: 82 - 1 MB
Requests from top 10 hosts (% of RINEX requests):
perceus.hpc.usu.edu: 713307 (47%) - 11387 MB ( 3%)
62.105.138.5: 181341 (11%) - 14684 MB ( 4%)
matara.ucar.edu: 94937 ( 6%) - 1723 MB ( 0%)
tokonda.ucar.edu: 52546 ( 3%) - 973 MB ( 0%)
carina1.cosmic.ucar.edu: 45581 ( 3%) - 1648 MB ( 0%)
cetus.cosmic.ucar.edu: 45572 ( 3%) - 1643 MB ( 0%)
66-162-186-69.static.twtelecom.net: 43020 ( 2%) - 11777 MB ( 3%)
sedna.unibe.ch: 40291 ( 2%) - 737 MB ( 0%)
gpsingest1.fsl.noaa.gov: 30644 ( 2%) - 8139 MB ( 2%)
12.147.150.226: 26749 ( 1%) - 7823 MB ( 2%)
d206-088.geology.wisc.edu: 25050 ( 1%) - 8081 MB ( 2%)
Total: 1299038 (85%) - 68619 MB (20%)
Unique hosts: 4569 - 367465 MB
Hosts with
1 request: 1287 (28%) - 2322 MB ( 0%)
2-100 requests: 3097 (67%) - 38884 MB (10%)
101-1000 requests: 122 ( 2%) - 53857 MB (14%)
1001-10000 requests: 44 ( 0%) - 155065 MB (42%)
over 10000 requests: 19 ( 0%) - 117335 MB (31%)
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=Apr&year=2010
Month by month statistics can be viewed at:
http://www.ngs.noaa.gov/CORS-Proxy/UfcorsLogStatistics/corsstatisticsv3?month=All&year=2010
http://www.ngs.noaa.gov/CORS-Proxy/UfcorsLogStatistics
A graphic display of FTP and UFCORS recent activity is available at:
http://www.ngs.noaa.gov/OPUSI/Plots/CORS.jpg
