[evlatests] phase jumps at scan boundaries

[Emmanuel Momjian]

Based on data taken at noon today, there are no phase jumps at scan
boundaries in ea04, ea09 and ea02.

Thanks
Emmanuel


On Wed, Mar 28, 2012 at 10:37 AM, Eric Chavez <echavez at nrao.edu> wrote:

> We did some cable installs in to these antennas. Can anyone tell me if
> the problem still exists? If the problem is still there, we can swap the
> synthesizer next.
>
> Eric
>
> Eric Chavez wrote:
> > Jim,
> >
> > That would be great,
> >
> > Thank you,
> >
> > Eric
> >
> > Jim Ogle wrote:
> >> Do you want a maint form generated for it?
> >>
> >> Jim
> >>
> >>> LO/IF will install some cabling to prevent this on maintenance day.
> >>>
> >>> Eric
> >>>
> >>> Bryan Butler wrote:
> >>>> josh also reported phase jumps on the same antennas & IFs at scan
> >>>> boundaries at C-band on 12 march.  from his JIRA ticket:
> >>>>
> >>>> Summary: ea04, ea09 AC, ea02 BD.
> >>>>
> >>>> so, looks like this is consistent.  is this written up into a
> >>>> mainsaver ticket?  the engineers should go out and have a look.
> >>>>
> >>>>     -bryan
> >>>>
> >>>>
> >>>> Emmanuel Momjian wrote, On 3/20/12 10:42 AM:
> >>>>> The following antennas and IF pairs are showing phase jumps at scan
> >>>>> boundaries (as seen in L-band and C-band data taken on March 13):
> >>>>>
> >>>>> Antenna ea02 IFs BD
> >>>>> Antenna ea04 IFs AC
> >>>>> Antenna ea09 IFs AC
> >>>>>
> >>>>>
> >>>>> Emmanuel
> >>>>>
> >>>>>
> >>>>>
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