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Christian, Yes, you can cat and pipe to sort -u. The station table doesn't have to be sorted for use with dcuair. Steve Chiswell >From: Christian Page <address@hidden> >Organization: UCAR/Unidata >Keywords: 200204111543.g3BFh7a22749 > >Hi, > >I need to have an upper-air file with data from all world upper-air stations i > n >gempak. In my pqact.conf, I had snworld.tbl as the table for upper-air decodin > g. >I just noticed that many stations are missing from snworld.tbl. > >Can I just concatenate these two files piped to sort and uniq to create a new >table with all the stations? > > >Christian Page >address@hidden http://meteocentre.com/ > >Agent de recherche et de planification +1 514 987 3000 ext. 2376 >Departement des Sciences de la Terre et de l'Atmosphere UQAM >