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GEMPAK users of NWX, The NWS will be making changes to communication identifiers of a number of products on November 9, 2004: http://www.nws.noaa.gov/datamgmt/cid.html This change will require updating a number of tables used by NWX, as well as new pqact pattern actions for these products. Current versions of NWX will containue to work as always, and will only need new tables and LDM pqact entries. I will be posting in the next day these updated tables and pqact entries for updating your current running version of GEMPAK. The forthcoming distribution of GEMPAK 5.7.4 will contain the updated tables as well as LDM pattern/actions for NWX. Once you have the new $GEMTBL/nwx entries (either by updating your current distribution, or by downloading the new 5.7.4 distribution), you will have to install the new pqact.gempak_nwx entries so that the files and directories created by the LDM output will match the NWX tables. I will notify the gembud list as soon as the files are available for download through the Unidata web portal. Steve Chiswell Unidata User Support