March 2, 2010

FTP AND UFCORS STATISTICS FOR FEBRUARY 2010

FTP server statistics for Feb 2010
Total Requests: 1649608 (all FTP requests logged)
Total Data Transferred: 373456 MB (all files)

Requests for RINEX data: 1487109 (90% of total requests)
2010 data: 1269117 (85% of RINEX requests)
2009 data: 104170 ( 7% of RINEX requests)
2008 data: 29932 ( 2% of RINEX requests)
2007 data: 20790 ( 1% of RINEX requests)
2006 data: 1494
2005 data: 43201 ( 2% of RINEX requests)
2004 data: 481
2003 data: 254
2002 data: 401
2001 data: 1072
2000 data: 554
1999 data: 884
1998 data: 361
1997 data: 363
1996 data: 4679
1995 data: 6946
1994 data: 2410

Requests for daily files. Requests for hourly files.
Total: 389931 - 286355 MB Total: 1058684 - 35209 MB
Obs: 65908 - 206913 MB Obs: 97220 - 20030 MB
Nav: 0 - 0 MB Nav: 0 - 0 MB
Met: 446 - 1 MB Met: 4040 - 3 MB
Sum: 10853 - 0 MB Sum: 320 - 0 MB
Other: 312724 - 79241 MB Other: 957104 - 15173 MB

Requests for ephemerides files.
IGR: 543 - 45 MB
IGS: 1671 - 114 MB
IGU: 113 - 16 MB
Brdc: 36167 - 2052 MB

Other files: 0 - 0 MB


Requests from top 10 hosts (% of RINEX requests):
perceus.hpc.usu.edu: 658534 (44%) - 10612 MB ( 3%)
matara.ucar.edu: 165948 (11%) - 4036 MB ( 1%)
icap2.nict.go.jp: 96297 ( 6%) - 31288 MB ( 9%)
tokonda.ucar.edu: 84075 ( 5%) - 2043 MB ( 0%)
ttc-tps.topconps.org: 79161 ( 5%) - 6426 MB ( 1%)
cetus.cosmic.ucar.edu: 68874 ( 4%) - 1647 MB ( 0%)
sedna.unibe.ch: 47363 ( 3%) - 769 MB ( 0%)
atlas.haystack.edu: 45035 ( 3%) - 42740 MB (13%)
71-10-107-200.dhcp.stcd.mn.charter.com: 39841 ( 2%) - 13438 MB ( 4%)
carina1.cosmic.ucar.edu: 39801 ( 2%) - 1443 MB ( 0%)
oasis4.nbmg.unr.edu: 28475 ( 1%) - 9230 MB ( 2%)

Total: 1353404 (91%) - 123679 MB (38%)

Unique hosts: 3601 - 373456 MB

Hosts with
1 request: 1486 (41%) - 3975 MB ( 1%)
2-100 requests: 1940 (53%) - 42529 MB (11%)
101-1000 requests: 119 ( 3%) - 42606 MB (11%)
1001-10000 requests: 39 ( 1%) - 134270 MB (35%)
over 10000 requests: 17 ( 0%) - 150075 MB (40%)

Plots for "user friendly" CORS (UFCORS) requests for last month are
available at
the following Web address:


http://www.ngs.noaa.gov/CORS-Proxy/U...=Feb&year=2010

Month by month statistics can be viewed at:


http://www.ngs.noaa.gov/CORS-Proxy/U...=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