[evlatests] TelCal corruption?

Bryan Butler bbutler at nrao.edu
Mon May 6 12:01:27 EDT 2013


not currently.

and we know about the TelCal problem of not being robust to bad 
antennas.  it's on my list of items to be worked on, but may not have 
high enough priority to get attention in the next few months.

	-bryan


Rick Perley wrote, On 5/6/13 9:46 :
>      The 30-hour 'flux densities' run was completed Friday night.  It
> seems to have succeeded in its primary goal -- to break the system in
> ways not seen before ... :-(
>
>      Ea02 was excluded from the run, since it had no X-band receiver --
> despite all other receivers working well.  The operator's note explains why:
> ---------------------------------------------------
> Antenna(s) 2 (Data: Lost)
> X-band receiver removed for repairs.  Excluded from the observation due
> to TelCal
> corruption if it is included.
> -----------------------------------------------------
>
>      I'm surprised at this -- as I had thought that TelCal would be more
> robust to the absence of a usable signal.    Having the antenna taken
> out of service is a large price to pay in a multi-band script.  Is there
> no way that the X-band data from this antenna be recogized by TelCal as
> not valid?
>
>
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