STATISTICS FOR CORS PRODUCTS AND SERVICES

[Sam Wormley]

> STATISTICS FOR CORS PRODUCTS AND SERVICES
> ---------------------------------------------------------
>
> April 02, 2012
>
> OPUS COVERAGE BY COUNTY IN MARCH 2012
>
> To see a plot of OPUS-S solutions in the US by county during March
> 2012 click at:
>
> http://geodesy.noaa.gov/OPUSI/Plots/2012-03opus.gif
>
> To see a plot of OPUS-RS solutions in the US by county during March
> 2012 click at:
>
> http://geodesy.noaa.gov/OPUSI/Plots/2012-03opus-rs.gif
>
> The total OPUS coverage (OPUS + OPUS-RS) by county during a period of one year
> can be seen at:
>
> http://geodesy.noaa.gov/OPUSI/Plots/2012-03_2011-04combined.gif
>
> -------------------------------------------------------------------------
>
> April 02, 2012
>
> 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://geodesy.noaa.gov/OPUSI/Plots/OPUSRSall-h.15-min.png
>
> Ellipsoid height accuracy: http://geodesy.noaa.gov/OPUSI/Plots/OPUSRSall-u.15-min.png
>
> b) 1 hour session accuracy
>
> Horizontal accuracy: http://geodesy.noaa.gov/OPUSI/Plots/OPUSRSall-h.1-hour.png
>
> Ellipsoid height accuracy: http://geodesy.noaa.gov/OPUSI/Plots/OPUSRSall-u.1-hour.png
>
> An interactive web-based beta version is available at:
>
> http://geodesy.noaa.gov/OPUSI/Plots/Gmap/OPUSRS_sigmap.shtml
>
> A brief description of how these graphs were generated can be read at:
>
> http://geodesy.noaa.gov/OPUSI/Plots/OPUS-RSWebPlots.pdf
>
> -------------------------------------------------------------------------
>
> April 02, 2012
>
> PREVIOUS YEARS 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
>
> -------------------------------------------------------------------------
>
> April 03, 2012
>
> FTP AND UFCORS STATISTICS FOR MARCH 2012
>
> FTP server statistics for Mar 2012
> Total Requests: 5387043 (all FTP requests logged)
> Total Data Transferred: 1858592 MB (all files)
>
> Requests for RINEX data: 4590618 (85% of total requests)
> 2012 data: 3350462 (72% of RINEX requests)
> 2011 data: 769325 (16% of RINEX requests)
> 2010 data: 44989
> 2009 data: 37089
> 2008 data: 21010
> 2007 data: 4274
> 2006 data: 4078
> 2005 data: 3184
> 2004 data: 42007
> 2003 data: 4370
> 2002 data: 75005 ( 1% of RINEX requests)
> 2001 data: 61233 ( 1% of RINEX requests)
> 2000 data: 39552
> 1999 data: 58227 ( 1% of RINEX requests)
> 1998 data: 47614 ( 1% of RINEX requests)
> 1997 data: 20268
> 1996 data: 4927
> 1995 data: 1978
> 1994 data: 1026
>
> Requests for daily files. Requests for hourly files.
> Total: 1788378 - 1088628 MB Total: 2600464 - 491337 MB
> Obs: 194122 - 845693 MB Obs: 246738 - 452717 MB
> Nav: 0 - 0 MB Nav: 0 - 0 MB
> Met: 5649 - 17 MB Met: 2681 - 2 MB
> Sum: 174002 - 0 MB Sum: 1581 - 0 MB
> Other: 1414605 - 240779 MB Other: 2349464 - 38611 MB
>
> Requests for ephemerides files.
> IGR: 482 - 45 MB
> IGS: 346 - 31 MB
> IGU: 130 - 23 MB
> Brdc: 130983 - 7596 MB
>
> Other files: 69835 - 712 MB
>
>
> Requests from top 10 hosts (% of RINEX requests):
> sw23.spaceweather.usu.edu: 1067794 (23%) - 18060 MB ( 1%)
> sw22.spaceweather.usu.edu: 942612 (20%) - 15012 MB ( 0%)
> ttc.topcon.com: 853488 (18%) - 74769 MB ( 4%)
> gaim.cass.usu.edu: 259913 ( 5%) - 39656 MB ( 2%)
> oceanus: 186577 ( 4%) - 4756 MB ( 0%)
> roll: 149218 ( 3%) - 3448 MB ( 0%)
> crawl-66-249-72-248.googlebot.com: 104706 ( 2%) - 15973 MB ( 1%)
> gpsdata3.fsl.noaa.gov: 96387 ( 2%) - 1687 MB ( 0%)
> nat-162-58-0-64.esc.gov: 90311 ( 1%) - 681757 MB (42%)
> crawl-66-249-72-242.googlebot.com: 88870 ( 1%) - 16008 MB ( 1%)
> carina1.cosmic.ucar.edu: 88480 ( 1%) - 3822 MB ( 0%)
>
> Total: 3928356 (85%) - 874954 MB (55%)
>
> Unique hosts: 4338 - 1858592 MB
>
> Hosts with
> 1 request: 1798 (41%) - 4207 MB ( 0%)
> 2-100 requests: 2315 (53%) - 53288 MB ( 2%)
> 101-1000 requests: 121 ( 2%) - 53713 MB ( 2%)
> 1001-10000 requests: 53 ( 1%) - 186645 MB (10%)
> over 10000 requests: 51 ( 1%) - 1560737 MB (83%)
>
> Plots for "user friendly" CORS (UFCORS) requests for last month are available at the
> following Web address:
>
> http://geodesy.noaa.gov/CORS-Proxy/UfcorsLogStatistics/corsstatisticsv3?month=Feb&year=2012
>
> Month by month statistics can be viewed at:
>
> http://geodesy.noaa.gov/CORS-Proxy/UfcorsLogStatistics/corsstatisticsv3?month=All&year=2012
>
> http://geodesy.noaa.gov/CORS-Proxy/UfcorsLogStatistics
>
> A graphic display of FTP and UFCORS previous years activity is available at:
>
> http://www.ngs.noaa.gov/OPUSI/Plots/CORS.jpg
>