[evlatests] Phase jumps on EA14

Vivek Dhawan vdhawan at nrao.edu
Mon Apr 29 18:05:25 EDT 2013


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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