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[GEMPAK #AJO-748565]: GEMPAK - Possible problem with 5.10 decoder

Steve,

Your support question was received and will be answered as time is available
as described in the automated response that is sent when messages arrive.
Our 2 day user committee meetings require most of the available time for
everyone here. 
http://www.unidata.ucar.edu/committees/usercom/

You should also be aware of the support policy regarding our available 
resources:
http://www.unidata.ucar.edu/legal/participation.html#support

You should note that the PG compiler is not a supported platform and it 
has limitations with multiple file opens that are not supported. The supplied
source distribution will compile with g77 or gfortran.

In general, there has been no change with the dcmetr bulletin time processing
that would identify any problem you are having. Rather, you should check 
the output of "date; date -u" and ensure that the proper time zone 
and time that you want to be running under is identified. That is, if you are 
setting the 
system time to UTC time, the TZ should also be UTC0.

The script you sent used a variable in the dcmetr "-c" option that wasn't shown,
so you should also check that setting, as well as
use DATTIM=list in your SFLIST program for yesterday's file to
see what times have been stored in the file. It sounds as if
you have the previous days times overrunning the available 72 times, your -c
parameter is incorrect and therefore trying to write the 0Z to 4Z data into
the wrone file, or is not a correctly formated GEMTIM.

The current 5.10.3 implementation is well tested under Linux, and
so would be the best version to work with,

Steve Chiswell
Unidata User Support




> 
> Hi
> I had sent this email on Wednesday and haven't heard back from anyone on
> this. It is a critical problem for us and we need you help in solving
> it. I am convinced that the problem is in sflist version 5.10 . The size
> of the .gem files that are output from dcmsfc is about the same size as
> the ones on the system that is working fine. .gem files are input to
> sflist but the resulting file is very small which means less records.
> The output file on the system that is working fine and  is using GEMPAK
> 5.6f sflist, is 10 times bigger. There is something that sflist 5.10 is
> doing differently (and incorrectly) that sflist 5.6f is does fine.
> 
> We have to upgrade to 5.10 BUT this issue is huge because we are losing
> all of our surface observations in the output of sflist.
> 
> Can someone help me today?  I am really stuck and I can't get the source
> to compiled under Linux to try the 5.6f source on our system (see
> below).
> 
> Thanks
> Steve
> 
> 
> 301-874-1911 DIJM
> 240-687-0036 cell
> 
> (\__/)
> (='.'=)
> (")_(")
> 
> 
> 
> ________________________________
> 
> From: Kerich, Steve (DIJM)
> Sent: Wednesday, October 03, 2007 4:23 PM
> To: 'address@hidden'
> Subject: RE: [GEMPAK #AJO-748565]: GEMPAK - Possible problem with 5.10
> decoder
> 
> 
> 
> Hi
> 
> I was going try to push through compiling GEMPEK 5.6f with the pgf77
> compiler for Linux but I am getting this error. The compile is not very
> straight forward because there are a lot of includes and link and
> preprocessor compiler commands which are now causing me trouble. The
> issue I have not been able to solve yet is below.
> 
> The error in MCHPRM.PRM
> 
> PGFTN-S-0021-Label field  of continuation line is not blank
> 
> which is included by GEMPRM.PRM. I attached both files for reference. I
> believe it has to do with the preprocessor. I changed .f to .F to force
> the preprocessor to run and it still got this error. It ran the C
> prepreocessor I think with the -c option but it still caused the error.
> 
> MCHPRM.PRM only has this line in it.
> 
> link ../MCHPRM.Linux
> 
> I just can't see or understand what is wrong. I am not that familiar
> with this syntax. I hope if I get past this problem I can get all of
> GEMPAK compiled under Linux
> 
> Help,
> 
> Steve
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 301-874-1911 DIJM
> 240-687-0036 cell
> 
> (\__/)
> (='.'=)
> (")_(")
> 
> 
> -----Original Message-----
> From: Unidata GEMPAK Support [mailto:address@hidden]
> Sent: Wednesday, October 03, 2007 12:17 PM
> To: Kerich, Steve (DIJM)
> Cc: address@hidden
> Subject: [GEMPAK #AJO-748565]: GEMPAK - Possible problem with 5.10
> decoder
> 
> Steve,
> 
> I don't have old binaries for several reasons, including storage space,
> the rapid change of the Linux environment making old binaries obsolete,
> and old versions containing old bugs.
> 
> It sounds to me like you have a basic clock problem on your system,
> and/or the file template and maxmimum number of times in a file is
> exceeding an old file that is trying to be written to. The 4 hours is
> suspiciously close to the EST/EDT + 1 hour in the future combination if
> that is the time zone configured on your computer.
> 
> Ideally, the decoder action for metars uses -m 72 and a template of
> YYYYMMDD for 72 hourly time bins in a daily file so that three 20 minute
> obsservation bins per hour exist. If your clock/timedone is off or you
> are not using a time template but instead are trying to use a set
> filename, you may be encountering problems with arriving at a 0Z to 4Z
> time for yesterday instead, or a correct tiume, but your output file is
> already full of times rather than containing the current days times.
> 
> Check your UTC and local time (date; date -u) to ensure you have
> correctly configured your new machine. Then check your file template and
> maximum number of times in the file. If you still have trouble, please
> provide me with your command line for dcmetr that you are attempting to
> use along with any log output.
> It would help iuf you set the decoder verbose level to 4 for degugging
> as well ( -v 4 ).
> 
> Steve Chiswell
> Unidata User SUpport
> 
> 
> > Institution: smiths detection
> > Package Version: 5.6f
> > Operating System: linux
> > Hardware Information: dual quad xeon
> > Inquiry: Hi
> >
> > We ported from a Solaris 8 to a Linux machine and used the Linux
> > GEMPAK binaries for 5.10 (latest). Our Solaris system uses 5.6f and is
> > running fine. The new system seems to be dropping surface data
> > observations for a 4 hour period from 0z to 4z and then it starts to
> > pass all the observations through again until 0z. We are using dcmetr
> > and sflist to decode and parse the data. I would like to try a 5.6f
> > Linux version of these two but the binaries on the new machine but
> > they are not posted/available. I have been trying to compile 5.6f on
> > our Linux machine to create the binaries for these two programs but
> > have not yet been able to after spend tons of time on it.
> >
> > If you have the a Linux executable/binaries for 5.6f or something
> > around this version for just these two programs that you could send
> > me, that would be great. That is all I need in order to continue
> > debugging what is going on with this system. I hope you can help me
> > with these two GEMPAK programs. Any help would be appreciated.
> >
> > Steve
> >
> 
> 
> Ticket Details
> ===================
> Ticket ID: AJO-748565
> Department: Support GEMPAK
> Priority: Normal
> Status: Closed
> 
> 
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Ticket Details
===================
Ticket ID: AJO-748565
Department: Support GEMPAK
Priority: Normal
Status: Closed