[evlatests] K-band
Ken Sowinski
ksowinsk at nrao.edu
Tue Jul 15 15:29:08 EDT 2008
On Tue, 15 Jul 2008, Ken Sowinski wrote:
> On Tue, 15 Jul 2008, Rob Long wrote:
>
>> The EVLA antennas appear to be working at K-band (as far as the
>> hardware), but several of the B and D RMS levels are high.
>>
>> With so many antennas not fringing, I don't believe this is an antenna
>> hardware issue.
>
> The array is observing in K band right now, about 23.5 GHz.
> There are a number of antennas with weak fringe response.
> the problem is not shadowing. It does seem that the worst
> of the EVLA antennas have high system temperatures; I cannot
> easily examine the VLA antennas.
There are several receivers that appear to have high T_sys
and poor G/T.
K ea01, ea05, ea11, ea25
X ea25
C ea19, ea24 (Rick has reported these)
There was nothing alrming at Q band; L band was not examined.
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