[evlatests] 3-bit tests, trying various levels.

rperley at nrao.edu rperley at nrao.edu
Thu Dec 1 18:37:25 EST 2011


Certainly, a better choice of time or source would be a good idea.  But,
with the rather wild weather which is forecast for the next few days, we
may have to wait a bit ...

Rick

> I have looked at 3 of these from yesterday. They are too hard to interpret
> in
> detail. The lowest bits are not much worse than the higher ones, but there
> were
> too many if, ands & buts.
>
> I think we should re-do the tests. Some grudges against the data:
> Shadowing;
> low elevation on 3C147, different shadowing on 3C147 vs. 3C84 (and nearby
> blank field). Plus large delay changes on some antennas between the 3
> files
> (~200ns). Plus large bandpass changes on some antennas.
>
> If these same files are run again, starting at 9 or 10pm instead of 6
> would be great; and a reset of delays before letting them rip.
>
>>> 3-bit tests.  Only antennas 6, 7, 10, 14, 18, 23, 26 are being used.
>>>
>>> 01Dec 00:25:25
>>> Starting setBits-64.evla
>>>
>>> 01Dec 00:27:50
>>> Starting ku3eq_3C84plus.evla
>>>
>>> 01Dec 00:31:00
>>> Antennas are on source.
>>>
>>> 01Dec 01:21:30
>>> Starting setBits-32.evla
>>>
>>> 01Dec 01:24:33
>>> Starting ku3eq_3C84plus.evla
>>>
>>> 01Dec 02:18:00
>>> Starting setBits-16.evla
>>>
>>> 01Dec 02:20:23
>>> Starting ku3eq_3C84plus.evla
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