This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Dear Unidata Support, Thank You. I didn't realize I was using the wrong program. I can preprocess the reports to remove any extra/garbage characters. The offline manual made no mention of dcsynop. Thanks Darren R. Gallant UCAR/JOSS Programmer/Technician Joint OfFice Of Science Support 303-497-2634 P.O. Box 3000 address@hidden Boulder,CO 80307-30000 On Tue, 12 Oct 1999, Unidata Support wrote: > >From: Darren Gallant <address@hidden> > >Organization: . > >Keywords: 199910122122.PAA10004 > > > This message is in MIME format. The first part should be readable text, > > while the remaining parts are likely unreadable without MIME-aware tools. > > Send mail to address@hidden for more info. > > > >---559023410-1100056416-939763306=:23661 > >Content-Type: TEXT/PLAIN; charset=US-ASCII > > > >Dear Unidata Support, > > > >I'm attempting to decode synoptic reports for Mexico using dchrly. > > > Darren, > You cannot decode synoptic code reports with dchrly. Dchrly is used > to decode METAR and SA format bulletins. Dcsynop is used to > decode synoptic code and ship/buoy bulletins. > > You can specify which table is used by the decoder with the -s > option. Sor realtime synoptic data I use systns_upc.tbl. > > You can create your own station table as needed for archived data sets. > > > > >I issued the following command: dchrly -c 890401/0000 1989040100.gem > > >SINO0100 where SINO0100 is the metar file. > > > >Using sflist I examined the output file and it only contained 1 station > >but was nearly 3/4 mb in size. > > > >My first question: Does dchrly use the sfstns.tbl when decoding metar > >data? > > > >If my file contains older stations can I create a station file containing > >information for the older stations and use this instead? > > > >Can dchrly decode metars using the station number instead of the station > >id? > > > Metars do not use the WMO ID- and you do not have Metar bulletins in > the SIN0100 file anyway. > > You file appears to have some garbage in it, looks like extraneous > characters in the transmission- so right off, I cannot decode it. > > I'll have to see if there is any chance in decoding it after cleaning it up. > > Steve Chiswell > Unidata User Support > > > > > > > >Do both the station id and number have to appear in the metar file inorder > >to decode that's stations report? > > > >Do I have to use sflist (by setting output to file) inorder to get an > >ascii text list of the stations and their decoded reports? > > > >I will attach the original undecoded metar and the output from dchrly. I > >just want to know if the original file is in the correct format and if > >there is data in the gempak file. > > > >Thanks > > > > > >Darren R. Gallant UCAR/JOSS > >Programmer/Technician Joint OfFice Of Science Support > >303-497-2634 P.O. Box 3000 > >address@hidden Boulder,CO 80307-30000 > > > > > > **************************************************************************** < > Unidata User Support UCAR Unidata Program < > (303)497-8644 P.O. Box 3000 < > address@hidden Boulder, CO 80307 < > ---------------------------------------------------------------------------- < > Unidata WWW Service http://www.unidata.ucar.edu/ < > **************************************************************************** < >