[evlatests] Noise Diode in ea01 at Q-band in LCP
Rob Long
rlong at nrao.edu
Wed Feb 1 16:07:18 EST 2012
It looks like LCP side of Q-band doesn't have any signal! I am trying to
run K-band now to make sure it isn't a T303.
Rob
Rick Perley wrote:
> The switched power from ea01 at Q-band in LCP is extremely weak,
> especially at the high frequency end. At 48 GHz, we are seeing only
> .006 counts -- about 5% of the other IFs. At 42 GHz, it is about 10% of
> normal. At the same time, the summed power is also too low -- about 1/5
> of the other antennas. This shouldn't happen, unless the T304
> attenuators are set to the lowest values possible. Something is not
> right here ...
>
>
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