CORS/OPUS Updates

> September 2, 2011
> 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:

> b) 1 hour session accuracy
> Horizontal accuracy:

> 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
> -------------------------------------------------------------------------
> September 2, 2011
> PREVIOUS YEARS OPUS STATISTICS
> Total number of monthly solutions for OPUS-S, OPUS-RS, and OPUS-DB are
> graphically displayed at:
> http://geodesy.noaa.gov/OPUSI/Plots/OPUS.jpg
> -------------------------------------------------------------------------
> September 6, 2011
> FTP and UFCORS STATISTICS FOR AUGUST 2011
> FTP server statistics for Aug 2011
> Total Requests: 2613652 (all FTP requests logged)
> Total Data Transferred: 1143970 MB (all files)
> Requests for RINEX data: 2264768 (86% of total requests)
> 2011 data: 1942490 (85% of RINEX requests)
> 2010 data: 57724 ( 2% of RINEX requests)
> 2009 data: 46238 ( 2% of RINEX requests)
> 2008 data: 68188 ( 3% of RINEX requests)
> 2007 data: 45471 ( 2% of RINEX requests)
> 2006 data: 9418
> 2005 data: 14183
> 2004 data: 24773 ( 1% of RINEX requests)
> 2003 data: 9577
> 2002 data: 1329
> 2001 data: 3769
> 2000 data: 2644
> 1999 data: 9752
> 1998 data: 7121
> 1997 data: 11933
> 1996 data: 3568
> 1995 data: 6388
> 1994 data: 202
> Requests for daily files. Requests for hourly files.
> Total: 890429 - 806863 MB Total: 1270888 - 175279 MB
> Obs: 149754 - 619123 MB Obs: 109039 - 157165 MB
> Nav: 0 - 0 MB Nav: 0 - 0 MB
> Met: 3861 - 11 MB Met: 1686 - 1 MB
> Sum: 145287 - 0 MB Sum: 1027 - 0 MB
> Other: 591527 - 185471 MB Other: 1159136 - 18108 MB
> Requests for ephemerides files.
> IGR: 682 - 64 MB
> IGS: 445 - 41 MB
> IGU: 208 - 37 MB
> Brdc: 59464 - 2976 MB
> Other files: 42652 - 482 MB
> Requests from top 10 hosts (% of RINEX requests):
> sw22.spaceweather.usu.edu: 999127 (44%) - 15863 MB ( 1%)
> sw21.spaceweather.usu.edu: 147951 ( 6%) - 198876 MB (20%)
> seg-stars-s01.nict.go.jp: 146904 ( 6%) - 48885 MB ( 4%)
> matara.ucar.edu: 93882 ( 4%) - 8751 MB ( 0%)
> bp1.geology.wisc.edu: 89919 ( 3%) - 28941 MB ( 2%)
> crawl-66-249-72-6.googlebot.com: 80273 ( 3%) - 28445 MB ( 2%)
> crawl-66-249-71-50.googlebot.com: 75586 ( 3%) - 45974 MB ( 4%)
> crawl-66-249-72-198.googlebot.com: 75485 ( 3%) - 35546 MB ( 3%)
> carina1.cosmic.ucar.edu: 48642 ( 2%) - 1679 MB ( 0%)
> proxy3.nict.go.jp: 37405 ( 1%) - 12712 MB ( 1%)
> antlia.unibe.ch: 36739 ( 1%) - 1054 MB ( 0%)
> Total: 1831913 (80%) - 426731 MB (43%)
> Unique hosts: 3251 - 1143970 MB
> Hosts with
> 1 request: 1159 (35%) - 5030 MB ( 0%)
> 2-100 requests: 1873 (57%) - 39277 MB ( 3%)
> 101-1000 requests: 128 ( 3%) - 74678 MB ( 6%)
> 1001-10000 requests: 53 ( 1%) - 175649 MB (15%)
> over 10000 requests: 38 ( 1%) - 849334 MB (74%)
> Plots for "user friendly" CORS (UFCORS) requests for last month are

> the following Web address:
>

> Month by month statistics can be viewed at:
>

> http://geodesy.noaa.gov/CORS-Proxy/UfcorsLogStatistics
> A graphic display of FTP and UFCORS previous years activity is available at:
> http://geodesy.noaa.gov/OPUSI/Plots/CORS.jpg