[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: 20040224: Gempak - Solaris 8 - decoding dropsondes w/ dcuair

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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.

  • Subject: Re: 20040224: Gempak - Solaris 8 - decoding dropsondes w/ dcuair
  • Date: Wed, 25 Feb 2004 08:24:11 -0500 (EST)
I put in those characters and now it's working fine.
Thanks!
Megan Gentry



>
> Megan,
>
> Your bulletin does not have the start and end character sequences
> that delineate a report. They have been stripped out of
> your file.
>
> You can recreate the AFOS style bulletin header and trailer
> and decode your bulletin as:
> ZCZC
> UPANHC
> UZNT13 KNHC 290940
> XXAA  79095 99262 70829 08162 99014 26238 ///// 00123 25229 05008
> 92805 21034 06506 85533 16856 10014 70165 08446 08511 50589 03770
> 18505 88999 77999
> 31313 09608 80929
> 61616 AF967 1413A LILI OB 04
> 62626 SPL 2615N08292W LST WND 031 MBL WND 05010 AEV 20200 DLM WND
> 08509 011515 WL150 05009 105 =
> XXBB  79098 99262 70829 08162 00014 26238 11962 22609 22948 22443
> 33877 18021 44850 16856 55832 15633 66803 14056 77798 13833 88790
> 13457 99782 12834 11762 11420 22710 09056 33686 08238 44673 07457
> 55643 04823 66605 02623 77537 00159 88513 00465 99497 04772
> 21212 00014 ///// 11011 05009 22970 06010 33958 04511 44931 05005
> 55886 10011 66850 10014 77670 07013 88518 11012 99497 21006
> 31313 09608 80929
> 61616 AF967 1413A LILI OB 04
> 62626 SPL 2615N08292W LST WND 031 MBL WND 05010 AEV 20200 DLM WND
> 08509 011515 WL150 05009 105 =
>
> NNNN
>
>
> The ZCZC signals start of an AFOS bulletin (or use the
> FOS characeters SOH \r \r \n.
> The second line is the AFOS PIL, or FOS sequence number
> (which doesn't do anything, but the decoder expects the line to exist).
>
> The last line of the bulletin should be NNN (or \r \r \n \ETX for FOS).
>
> The broadcast of realtime data uses the control characters to signal
> the start and end of a product. If you are filing the data locally, it is
> best not
> to remove these characters. If you are downloading the data from a site
> that doesn't
> maintain the broadcast delimiters, then you have to recreate them as
> above.
>
> Steve Chiswell
>
>
>
>
>
>
>>From: "Megan Gentry" <address@hidden>
>>Organization: UCAR/Unidata
>>Keywords: 200402242248.i1OMmYQl022824
>
>>--=_d0ad339ff268ea097b573504f380bf5b
>>Content-Type: text/plain; charset="ISO-8859-1"
>>Content-Transfer-Encoding: 7bit
>>
>>Institution: NC State Univ. Forecasting Lab
>>Package Version: 5.6
>>Operating System: Solaris 8
>>Hardware Information: Sun workstation
>>Inquiry: I've been trying to decode dropsonde soundings using dcuair.  I
>> belie
>> ve dcuair should work with these files... here's an example of one:
>>
>>UZNT13 KNHC 290940
>>XXAA  79095 99262 70829 08162 99014 26238 ///// 00123 25229 05008
>>92805 21034 06506 85533 16856 10014 70165 08446 08511 50589 03770
>>18505 88999 77999
>>31313 09608 80929
>>61616 AF967 1413A LILI OB 04
>>62626 SPL 2615N08292W LST WND 031 MBL WND 05010 AEV 20200 DLM WND
>>08509 011515 WL150 05009 105 =
>>XXBB  79098 99262 70829 08162 00014 26238 11962 22609 22948 22443
>>33877 18021 44850 16856 55832 15633 66803 14056 77798 13833 88790
>>13457 99782 12834 11762 11420 22710 09056 33686 08238 44673 07457
>>55643 04823 66605 02623 77537 00159 88513 00465 99497 04772
>>21212 00014 ///// 11011 05009 22970 06010 33958 04511 44931 05005
>>55886 10011 66850 10014 77670 07013 88518 11012 99497 21006
>>31313 09608 80929
>>61616 AF967 1413A LILI OB 04
>>62626 SPL 2615N08292W LST WND 031 MBL WND 05010 AEV 20200 DLM WND
>>08509 011515 WL150 05009 105 =
>>
>>However, when I try to run it, this happens:
>>megan on flood-> dcuair  test.gem < D04.L14
>>[26699] 040224/1735 [DC 3]  Starting up.
>>[26699] 040224/1735 [DC -9]  End of input data file.
>>[26699] 040224/1735 [DC 5]  Normal termination.
>>[26699] 040224/1735 [DC 2]  Number of bulletins read and processed: 0
>>[26699] 040224/1735 [DC 6]  Shutting down.
>>
>>When I try the same command only with the -c option...
>>dcuair -c 020929/0940 test.gem < D04.L14
>>Nothing is printed in the command line, and no .gem files are generated.
>>
>>Are my dropsondes right for this decoder? Am I using the wrong command to
>> run
>> it?
>>
>>
>>--=_d0ad339ff268ea097b573504f380bf5b
>>Content-Type:
>>Content-Transfer-Encoding: base64
>>Content-Disposition: attachment; filename="D04.L14"
>>
>>
>>--=_d0ad339ff268ea097b573504f380bf5b--
>>
> --
> ****************************************************************************
> <
> Unidata User Support                                    UCAR Unidata
> Program <
> (303)497-8643                                                  P.O. Box
> 3000 <
> address@hidden                                   Boulder, CO
> 80307 <
> ----------------------------------------------------------------------------
> <
> Unidata WWW Service
> http://my.unidata.ucar.edu/content/support  <
> ----------------------------------------------------------------------------
> <
> NOTE: All email exchanges with Unidata User Support are recorded in the
> Unidata inquiry tracking system and then made publically available
> through the web.  If you do not want to have your interactions made
> available in this way, you must let us know in each email you send to us.
>