[evlatests] Some low-band issues

[Deb Shepherd]

Good news Paul.   Thanks for the clarification!

On Thu, Mar 7, 2013 at 6:03 PM, Paul Harden <pharden at aoc.nrao.edu> wrote:

>
>
> Deb Shepherd wrote:
>
>> I think this should be decided by Frazer and Paul.   It is very good to
>> know what the issues are but we have to be careful that we don't pull Paul
>> in too many directions at once.
>>
>
> Thank you for your concern.  Let me clarify a couple of things.
>
> Frazer and I are in full agreement that finishing the build has top
> priority.  We communicate often on the status.  My personal goal is to
> complete the build and installation in June, giving us a couple of months
> before the official completion date to play with the system and address any
> lingering problems before awarded observing begins.
>
> When you go to the site to install low band receivers or for Maintenance
> Day, you're out there for the whole day.  If the installation goes smooth,
> there's usually plenty of time to check off a few things on your "to do
> list" while you're out there - such as swapping polarization cables.  Not
> effecting the build schedule at all.
>
> Installing an LBR down in that barrel is a major evolution.  Once
> installed, it ain't going nowhere.  Not one LBR has been moved or swapped
> since initial installation.  That's why I have the table on the web page (
> http://www.aoc.nrao.edu/~**pharden/LBR/lbr.htm<http://www.aoc.nrao.edu/~pharden/LBR/lbr.htm>)
> to show this marriage of receiver to antenna.  Thus, the receiver/antenna
> mating is very stable and strive to keep it that way.  In the future,
> receivers needing work to correct gains, Tcal values or maintenance, will
> be returned to their originating antenna if at all possible.
>
> I am elated to see so much recent interest in the low band, and always
> appreciate the feedback and help I get from the Scientific Staff.  Like
> you, I want it to all work as best as it can, too.  Your feedback helps me
> do that.
>
> All but one antenna are now fully cabled; two more receivers will be
> installed next week for a total of 22; probably two more by the end of
> March.  We are ahead of schedule.
>
> Paul
>
>


-- 
Debra Shepherd <dshepher at nrao.edu>
National Radio Astronomy Observatory
1003 Lopezville Rd
Socorro, New Mexico 87801
http://www.aoc.nrao.edu/~dshepher
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