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Robert, Works for me, as it should since we are decoding all the 0.5 degree grib 2 files from CONDUIT as well. Make sure you ftp in binary mode! ftp> bin 200 Type set to I ftp> get gfs.t12z.pgrbf03.grib2 local: gfs.t12z.pgrbf03.grib2 remote: gfs.t12z.pgrbf03.grib2 > cat gfs.t12z.pgrbf03.grib2 | dcgrib2 -v 1 -d - YYYYMMDDHH_gfs.gem [12049493] 070412/1419[DC 3] Starting up. Version 5.10.2 Opening WMO Originating Center Table wmocenter.tbl... Opening WMO GRIB2 Parameter Table g2varswmo2.tbl... Opening WMO GRIB2 Vertical Coordinate Table g2vcrdwmo2.tbl... [12049493] 070412/1419[DCGRIB 0] Opened 2007041212_gfs.gem model:96 grid:255 [12049493] 070412/1419[DECODE_GRIB2 0] HGHT [070412/1200F003] 1000:-1 PRES 360 181 [12049493] 070412/1419[DECODE_GRIB2 0] HGHT [070412/1200F003] 975:-1 PRES 360 181 [12049493] 070412/1419[DECODE_GRIB2 0] HGHT [070412/1200F003] 950:-1 PRES 360 181 [12049493] 070412/1419[DECODE_GRIB2 0] HGHT [070412/1200F003] 925:-1 PRES 360 181 [12049493] 070412/1419[DECODE_GRIB2 0] HGHT [070412/1200F003] 900:-1 PRES 360 181 etc..... Steve Chiswell Unidata User Support > > I am trying to ftp GRIB2 format GFS 1 deg grib files and decode them from > ftpprd, but GEMPAK 5.9.3 and 5.10.2 both core dump when I cat the downloaded > file into dcgrib2. Would it be possible for you to try to duplicate this? > The files can be retrieved from: > > ftpprd.ncep.noaa.gov > > /pub/data/nccf/com/gfs/prod/gfs........ > > the file is e.g. gfs.t12z.pgrbf03.grib2 > > Thanks, > Robert Mullenax > CSBF Meteorology > > Ticket Details =================== Ticket ID: EQC-771253 Department: Support GEMPAK Priority: Normal Status: Closed