[daip] UVFLF -cannot unflag VLBA data

[Robert Mutel]

There are Ellipsoid errors on NL (8)  and HN (5)  [the first on HN is at
18:59]

On Thu, Jul 17, 2008 at 2:35 PM, Amy Mioduszewski <amiodusz at nrao.edu> wrote:

> Well, the ellipsoid error is for NL, so are you sure you have the right
> antenna.
>
> Amy
>
> Robert Mutel wrote:
>
>> Hi,
>>
>> I am trying to use UVFLG to unflag a VLBA antenna which was falsely
>> flagged during the observation [BM267A, 6 April 08, antenna HN, ellipsoid
>> position
>> does not match, but doesn't affect data, according to operator log. It
>> appears that UVFLG was recently modified [July 15] so there might be a new
>> gremlim.
>>
>> My UVFLG inputs are
>>
>> #inp
>> AIPS 1: UVFLG:  Task to Flag selected UV data on disk.
>> AIPS 1: Adverbs     Values                 Comments
>> AIPS 1: ----------------------------------------------------------------
>> AIPS 1: INNAME     'BM267A'                UV data (name).
>> AIPS 1: INCLASS    'UVDATA'                UV data (class).
>> AIPS 1: INSEQ         1                    UV data (seq. #).  0 => high
>> AIPS 1: INDISK        1                    Disk unit #.  0 => any
>> AIPS 1: INFILE     *all ' '                Text file name.
>> AIPS 1: SOURCES    *all ' '                Sources selected/deselected
>> AIPS 1: SUBARRAY      0                    Subarray number 0=>all.
>> AIPS 1:                                    Elevation is flagged: 0=>1
>> AIPS 1: SELBAND      -1                    Bandwidth to flag (kHz)
>> AIPS 1: SELFREQ      -1                    Frequency to flag (MHz)
>> AIPS 1: FREQID       -1                    Freq. ID to flag. -1=>all.
>> AIPS 1:                                    0=> first Freq. ID.
>> AIPS 1: TIMERANG   *all 0                  Time: start day,hr,min,sec
>> AIPS 1:                                          stop day,hr,min,sec.
>> AIPS 1: BCHAN        -1                    First frequency channel
>> AIPS 1: ECHAN        -1                    Last channel 0=>all
>> AIPS 1: BIF          -1                    First IF 0=>1
>> AIPS 1: EIF          -1                    Last IF 0=>all
>> AIPS 1: ANTENNAS      5           5        Antennas
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1:               5           5           5           5
>> AIPS 1: BASELINE   *all 0                  Baselines with ANTENNAS
>> AIPS 1: STOKES     ' '                     Stokes' parameters
>> AIPS 1: OUTFGVER      2                    Flag table version number
>> AIPS 1:                                       Used w single-source too
>> AIPS 1: APARM      *all 0                  1:elevation lower cutoff deg
>> AIPS 1:                                    2:elevation upper cutoff deg
>> AIPS 1:                                    3:Factor of suppression of
>> AIPS 1:                                      spurious fringes caused by
>> AIPS 1:                                      pulse cal when fringe
>> AIPS 1:                                      rate close to zero.
>> AIPS 1:                                      It must be >1
>> AIPS 1:                                      0 => do not flag due to
>> AIPS 1:                                        this reason
>> AIPS 1:                                    4:>0 => Print source, time,
>> AIPS 1:                                       baseline,  U,V of expected
>> AIPS 1:                                       zero fringe rate (U=0)
>> AIPS 1:                                      0 => do not print
>> AIPS 1: OPCODE     'UFLG'                  'FLAG','UFLG', 'REAS', 'WILD'
>> AIPS 1: REASON     *all ' '                Reason (24 char.)
>> AIPS 1: DOHIST       -1                    > 0 -> add to history
>>
>> According to the help file:
>>  OPCODE.....Tells whether to flag or unflag the data.
>>             'FLAG' => flag the data,
>>             'UFLG' => unflag with adverbs including REASON
>>                       Note that the adverbs must match the flag or be
>>                       set to special "ignore this adverb" values.
>>                       Defaults are not applied for UFLG.
>>
>> Perhaps one or more adverbs are not set to 'ignore this adverb', but I
>> can't determine which one(s).
>> I also tried REASON  '*', no luck. The PRTAB table says REASON =
>> 'Ellipsoid posn error', which I also tried
>> without success - anten 5 is still flagged [as determined by, e.g., LISTR
>> output]
>>
>> Thanks
>>
>> Robert
>>
>>
>> ------------------------------------------------------------------------
>>
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>
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