There is an error in the http://www.unidata.ucar.edu/packages/gempak/tutorial/pqact/decoders.tbl example file HRS ^H.[I-P]... KWB. ([0-3][0-9])([0-2][0-9]).* PIPE /usr/local/ldm/decoders/dcgrib -d data/gempak/logs/dcgrib.log -g /home/gempak/NAWIPS-5.4/gempak5.4/tables -q"lin,dlat=2.5,dlon=2.5" PACK data/gempak/hds/YYYYMMDDHH_thin.gem needs a space between -q and ". -- Dr. Harry Edmon E-MAIL: address@hidden (206) 543-0547 FAX: (206) 543-0308 Dept of Atmospheric Sciences University of Washington, Box 351640, Seattle, WA 98195-1640