[evlatests] Low fringes on antennas

Rob Long rlong at nrao.edu
Thu Oct 20 18:48:37 EDT 2011


Ant 21 has a M301 problem.  This may or may not be affecting RF switch 
positions.  Something else to check tomorrow!

Rob

Rob Long wrote:
> I just ran X and Q sysstart on the array:
> 
> Ant 8 definitely has something strange going on with IFs A & C.  We had 
> people on 8 yesterday, but I don't believe they touched the L302-1.  In 
> any case, we will have to go look at the hardware tomorrow.
> 
> Ant 11 appears to have a problem in the Q-band receiver for the RCP 
> side.  The FE group will take a look tomorrow.
> 
> The other antennas look to be fringing nominally and consistently across 
> all 4 IFs.  Possible pointing for slightly lower amplitudes?
> 
> Rob
> 
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