[evlatests] Antenna status, Tuesday noon
Rick Perley
rperley at nrao.edu
Wed Sep 10 11:20:42 EDT 2008
I ran tests yesterday noon, at all bands. A quick summary of
performance, by band. Antenna 25 was out of the array. All others were
pointing.
1) P-Band. No fringes from 1, 3, 4, 5, 15, 16, or 21.
2) L-Band. All antennas o.k.
3) C-Band. 3 gives weak fringes. 18 gives only noise. 4 is
erratic -- good some times, no fringes other times.
4) X-Band. 3 weak, 4 and 18 are erratic. 5 is erratic on IFs B and
D.
5) K-Band. 3 weak, 4 erratic (good fringes some sources, no fringes
on others).
6) Q-Band. 3 and 4 both weak (or no fringes -- hard to tell at this
frequency with the sources I had).
A stress test was run this morning -- Emmanuel should be able to
report on its results shortly.
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