[evlatests] Phase jumps on EA14

[Vivek Dhawan]

The data I have is scan averages, so I cannot tell whether a jump happens
within a scan or at scan changes.

I had not heard that the phases jump within a scan, can anyone confirm it?

Terry Cotter wrote:
> It is my understanding that the jumps did not occur at a scan boundary. 
> If this is the case then a jumper cable will not work.
> 
> Terry
> 
> Vivek Dhawan wrote:
>> I looked at this, Drew and Debra provided lists of affected & unaffected
>> projects. It looks like ea14 B0D0 8-bit, and B1D1 3-bit are the ones
>> affected. I could find only 1 example of 3-bit data affected in the last
>> week.
>>
>> The LO in common is ea14 L302-2, suggesting it needs a jumper cable add/
>> remove operation there.
>>
>> Deb Shepherd wrote:
>>> Hi All,
>>>
>>> We are seeing phase jumps on EA14 and right now the pipeline is choosing
>>> EA14 as a reference antenna so, when there is a phase jump, the pipeline
>>> output is not usable.
>>>
>>> Is there anyway someone can go out to EA14 on Maintenance day 
>>> tomorrow to
>>> see if this can be fixed?
>>>
>>> Thanks,
>>> Deb
>>>
>>>
>>>
>>>
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>