BIGF - the NERC British Isles GPS archive Facility
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2010-01-04 © BIGF
2001 2006
2000 2005 2010
1999 2004 2009
1998 2003 2008
1997 2002 2007

Data availability for all stations is given at a resolution of one day, via the links below. More general information for the scientific stations and OSNI active stations can be found in the station logs.

Data availability files for the current year are automatically updated on a daily basis. To download a file for manipulation in say Excel, right click on the year link and save target as.

Description of file content:
  • The four character station names are listed across the top of the file.
  • Column 2 is Modified Julian Day, Column 3 is Year and Day of Year.
  • Station columns show an integer from 0 to 9, which indicates the completeness of the daily RINEX Observation file as a corresponding percentage from 0 to 100% (currently from 2006-01-01) according to this scale:
    0    no data
    1      0 < Obs[%] <= 20
    2    20 < Obs[%] <= 30
    3    30 < Obs[%] <= 40
    4    40 < Obs[%] <= 50
    5    50 < Obs[%] <= 60
    6    60 < Obs[%] <= 70
    7    70 < Obs[%] <= 80
    8    80 < Obs[%] <= 90
    9    90 < Obs[%] <= 100

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