Hi,

you might want to record the time of this - though it is only
one of many fixes. Yet to come - is the global change of sign
on the phase, which will probably be done in the CBE.


-------- Original Message --------
Subject: C & X band all quiet now.
Date: Tue, 17 Nov 2009 18:00:09 -0700
From: Vivek Dhawan <vdhawan@aoc.nrao.edu>
To: Michael Rupen <mrupen@aoc.nrao.edu>
CC: Ken Sowinski <ksowinsk@aoc.nrao.edu>, Rick Perley <rperley@aoc.nrao.edu>, Barry Clark <bclark@aoc.nrao.edu>

The latest short runs look demon-free. Onward!

Michael Rupen wrote:
> Hi Vivek --
>
> please have a look at
>
> /home/case-dev-11-2/mrupen/WIDAR0/
>
> C_baseband_005.55153*
> X_baseband_004.55153*
>
> We claim these will both show reasonable phase vs. time. Gulp.
>
> Thanks --
>
> Michael
>
>


> Alas, we have conservation of angular momentum - C band has acquired
> the screwy phase that was purged from X-band.
>
> /home/e2earchive/WICloop_000.55152.81177768519.uvfits
>
> Vivek Dhawan wrote:
>> ... looks just fine. I'm loading the WIC loop data, C band, taken just
>> after this X-band data, to see if it is OK as expected.
>>
>>
>> Michael Rupen wrote:
>>> Hi Vivek --
>>>
>>> we've rebooted all the StB to put in software which purports to fix
>>> the incorrect application of PHASERR (i.e., incorrect phase "fix" for
>>> delay clunking). Could you have a look at
>>>
>>>
>>> /home/casa-dev-11-2/mrupen/WIDAR0/X_baseband_001.55152.80564061343.uvfits
>>>
>>>
>>> and see whether you agree all is well? I had a quick look but never
>>> saw the original problem, so it would be nice to have the Expert sign
>>> off on it.
>>>
>>> Thanks --
>>>
>>> Michael
>>>
>>
>
>

-- JuergenOtt - 2009-11-18
Topic revision: r1 - 2009-11-18, JuergenOtt
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