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>From: "Bentley, Mace" <address@hidden> >Organization: UCAR/Unidata >Keywords: 200201242021.g0OKLPx01667 >Hello Steve, > >I am trying to determine whether some gridded reanalysis data files contain >tropopause data. I thought I could do this by using gdinfo or gdlist but >both programs ask me for a gvcord and glevel. Is there a way to list all the >grids in the file? If not, what should I put under gvcord and glevel to give >me the trop level data? > >Thanks again! > >Mace > >Mace L. Bentley, Ph.D. >Assistant Professor >Department of Geography >Northern Illinois University >DeKalb, IL 60115 >815-753-6850 > Mace, You can "restore defaults/gdinfo" in the GDINFO program, or type "all" for gvcord, glevel, gfunc, gdattim. The ability limit the gdinfo searched was added in 5.6. Generally a gvcord of TROP, glevel of 0 is used in the realtime data for tropopause level data. Steve Chiswell