[evlatests] Ant 21 M301 (not)

Rob Long rlong at nrao.edu
Thu Oct 20 18:51:34 EDT 2011


Never mind on 21!! I forgot that 21 had the new switches and different 
firmware in the M301!

Rob Long wrote:
> 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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