[evlatests] status, Sept 11 2006
Ken Sowinski
ksowinsk at nrao.edu
Tue Sep 12 21:12:14 EDT 2006
On Tue, 12 Sep 2006, Steven Durand wrote:
> Ken
> We will go look at 18s X Band again on Wed. maybe there is a leak
Or, as Jim says, it is hard to get all the water out once it is there.
> Do you think 16s C band has water in it too?
I don't think it is that bad, but who knows.
> The switched power on ant 13 for bands L X Q all operate off the same power
> supply so it is possible that the power supply is sad. But C band has its
> own power supply so if the SD problem includes C band then we should look at
> timing. If Not then we need to look at something else. Ken did your data
> include C band?
This happens only at K band. I doubt it is timing. The symptom
is consistent with the injected noise being too weak, I suppose
there is unwanted attenuation, or the noise tube is underpowered.
Ken
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