[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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