[daip] [Fwd: BH088B VLBA Observer's Log]

[Jim Ulvestad]

It looks a lot like you didn't run MERGECAL (or VLBAMCAL
or TAMRG) to merge duplicate GC entries.  This is
caused by having a set of GC entries attached to each
correlator job.  Failure to run MERGECAL results in
the symptoms you described.

Best,

Jim U.

Data Analysts wrote:
> 
> -------- Original Message --------
> Subject: BH088B VLBA Observer's Log
> Date: Sat, 16 Feb 2002 20:07:40 +0100
> From: Yoshiaki Hagiwara <hagi at mpifr-bonn.mpg.de>
> To: VLB operators <vlbaops at jansky.aoc.NRAO.EDU>
> References: <200110040353.VAA15283 at jansky.aoc.NRAO.EDU>
> 
> I am not sure who is the right person for trouble shooting of VLBA
> amplitude calibration system.... here is a report about problem with
> BH088B data, in hoping that this will contribute to improvement of
> amplitude calibration system.
> 
> my BH088B data contained GC and TY table, for which one may not edit
> Tsys and gain curve files. BUT, APCAL does not accept GC table which is
> originally attached to the raw data. I had to make GC/TY tavles myself
> as one had to before... my colleague in Bonn had same problem before for
> his VLBA data. TY table has no trouble, it looks quite good.
> 
> hagi, mpifr
> 
> ----- End Included Message -----
> 
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