[evlatests] Modcomp-free: P-Band
Charles Kutz
ckutz at nrao.edu
Thu Jun 14 19:01:41 EDT 2007
10 P is in fact broke, seems that the "A" rack has the P-Band noise
diode always on, a ticket is open. Paradoxically C and U are OK. John is
trying to sort it out.
I took a look at 28's FE screen while it was in P-Band this afternoon,
all the screen parameters appeared to be nominal.
Chuck
Rick Perley wrote:
> Things are improving...
>
> The most recent test, this afternoon, shows:
>
> IF1: Good correlation on all antennas except 10, 13, 16, and 28.
> Antennas 10 and 28 seem to be broken. Antennas 13 and 16 have no
> receivers.
>
> IF2: A very interesting situation: In LCP (IF'D'), all is as
> reported for IF1. But in RCP, the EVLA and VLA are incoherent with each
> other: VLA antennas fringe with VLA, EVLA with EVLA. Looks like an
> incorrect frequency is being used in one or the other.
>
>
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