[evlatests] MIB updates today

Bryan Butler bbutler at nrao.edu
Tue Feb 26 16:52:25 EST 2013


it's still OK to use 7 & 20 for science observing, though, right ken? 
they'll still work with the old MIB images, if i understand correctly.


Ken Sowinski wrote, On 2/26/13 14:50 :
> On Tue, 26 Feb 2013, Ken Sowinski wrote:
>
>> We will attempt to update the load image of all EVLA antenna MIBs today.
>> This will begin whem observing ends about 9:45 this morning.
>>
>> ea27 will be done first as a test case.  If all is well, the other
>> antennas will all be done with some degree of parallelism.  We expect
>> about half an hour to do ea27 and half an hour to verify it.  The
>> remainder will probably occupy much of the day.  If we run out of
>> time, the work will continue on Thursday.
>>
>> Because a MIB must be brought back to the shop for repair if the
>> load image update is interrupted, we ask that no work be done
>> while this is in progress which has a chance of interrupting power
>> or communications with antenna MIBs.
>>
>> The operator will be kept informed of our progress and will coordinate
>> work on antennas.  ea15 will be done later when it is more ready for use.
>
> We have finished for today.  The master LO modules and all
> the antennas except ea07, ea15, and ea20 have been done.
> ea15 is not yet available to us, and work was in progress
> at ea07 and ea20.  We would like to reserve ea07 and ea20
> to complete this work on Thursday morning.  ea15 will have
> to be done before we attempt to use it, but after the hardware
> work has settled down.
>
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