[daip] [!14344]: AIPS - GC table and APCAL

[Victor Migenes]

Victor Migenes updated #14344
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GC table and APCAL
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           Ticket ID: 14344
                 URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/14344
                Name: Victor Migenes
       Email address: vmigenes at tsu.edu
             Creator: User
          Department: AIPS Data Reduction
       Staff (Owner): -- Unassigned --
                Type: Issue
              Status: Open
            Priority: Default
                 SLA: NRAO E2E
      Template group: Default
             Created: 15 July 2019 05:09 PM
             Updated: 15 July 2019 05:09 PM
           Reply due: 17 July 2019 05:09 PM (2d 0h 0m)
      Resolution due: 10 April 2022 12:00 AM (999d 6h 51m)

Hi, I am trying to recalibrate some VLBA data observed on Jan/2001. I am completely stuck in running APCAL. I get error messages concerning the reading of the GC table. I did not get this errors the first time we calibrated the data. I downloaded 4 files from the archives, project BM132. I run FITLD to concatenate the 4 VLBA_VSN00????_file#.uvfits files. In each run I get this messages:FITLD1 09:22:27 SOINI: 'RAOBS' COLUMN NOT FOUNDFITLD1 09:22:27 SOINI: 'DECOBS' COLUMN NOT FOUNDFITLD1 09:22:27 PHINI: 'PC_FREQ_1' COLUMN HAS NO VALUESFITLD1 09:22:27 PHINI: 'PC_REAL_1' COLUMN HAS NO VALUESFITLD1 09:22:27 PHINI: 'PC_IMAG_1' COLUMN HAS NO VALUESFITLD1 09:22:27 PHINI: 'PC_RATE_1' COLUMN HAS NO VALUESbut otherwise it seems to work. This is followed by running UVSRT, INDXR, FXPOL and ANTAB with pretty much default values.  No error messages or warnings. When running APCAL I get the following messages:APCAL1 11:26:48 GETFQ: FREQSEL = -1; # ROWS IN FQ TABLE = 22APCAL1 11:26:48 GETFQ: RERUN TASK SELECTING FREQSEL EXPLICITLYAPCAL1 11:26:48 Writing SN table 1 for subarray 1APCAL1 11:26:48 SOUINI: ERROR 3 CORRECTING SU FORMAT, CONTINUINGAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAIPS 1: ** press RETURN for more, enter Q or next line to quit print **# localhos AIPS (31DEC17) 352 15-JUL-2019 11:59:23 Page 17task time messages for user 352APCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 SOUINI: ERROR 3 CORRECTING SU FORMAT, CONTINUINGAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAIPS 1: ** press RETURN for more, enter Q or next line to quit print **# localhos AIPS (31DEC17) 352 15-JUL-2019 11:59:45 Page 18task time messages for user 352APCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCAPCAL1 11:26:48 GCINI: ERROR 3 FROM TABINI OPCODE = READAPCAL1 11:26:48 GCINI: ERROR INITIALIZING GAIN CURVE TABLE FOR READAPCAL1 11:26:48 GETGC: ERROR 3 OPENING GC TABLEAPCAL1 11:26:48 GCVAL: ERROR 1 LOADING GC TABLEAPCAL1 11:26:48 ZOPEN: LUN = 29 ALREADY OPENED IN FTABAPCAL1 11:26:48 TABINI: I/O ERROR FROM ISTAB ON GCetc, etc, etc. After running ANTAB there are 2 versions of the GC table neither seems to work. I even tried running APCAL on the output file of FITLD just to check, and I get the same messages.Any suggestions? I have used the DEC2017, DEC2018 and DEC2019 versions of aips. Two years ago I had no issues with the DEC2017 version of aips but I do now. All the other tasks I tried with the data like POSSM, UVPLT, etc seem to run well. I appreciate any help you can give me. Thank you, Victor.

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