[evlatests] P-Band, today

Charles Kutz ckutz at nrao.edu
Wed Oct 24 18:51:22 EDT 2007


Antenna 21 has bandpass filters attached to the input. We will remove 
them when we install the power switches.




Rick Perley wrote:
>     No data from 11 or 19 (unplugged), 13 and 16 (no recvr).  Ant 25 was 
> out of the array. 
> 
>     26 B is flagged, 26D gives no fringes, but is not flagged.    26A 
> and C are not flagged, but low in sensitivity by a factor of about 100. 
> 
>     Very poor sensitivity on 21 (all IFs), 23A and 24A. 
> 
>     Antenna 14 is flagged out on A and C, but o.k. on B and D. 
> 
>     EVLA antennas performing near VLA standards are 17B,D, 18 B,D, and 
> 23B,D. 
> 
>     Phase stability looks fine.  There were no phase jumps between any 
> of the three consecutive scans (at the same frequency/BW). 
> 
>     VLA antenna 12 has remarkably wandering phases on IFs A and C, as 
> noted at L-band. 
> 
> 
> 
>    
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