[evlatests] Super-fab news!

[Rick Perley]

    Ken, after 'tuning up' the system, took some WIC loop data, at C and 
X bands. 

    This report is on the C-band results.   Full polarization, 2 MHz 
channel resolution. 

    I've not seen better data yet.  All antennas are working on both IFs 
and all polarizations, except antenna 13 which has no receiver.  
(Antenna 10, 12, 17, and 22 are still out of the array). 

    There are a higher than usual number of integer zero correlations -- 
amounting to 0.41% of all data. 

    All delays are less than 5 nsec.

    Cross-hand delay is now about 1 nsec. 

    Cross-hand amplitudes are about 4 -- 8% of the parallel hand (as 
expected), with about a 1% variation about the average for any given 
cross-spectrum.  This is the variation in the 'D-term' over frequency.  
I'll make some plots to show next week. 

    The sky is the right way up. 

    These are the best data seen yet.  I've not yet combined the 
channels to look for 'wobbles' (which cannot be seen in single-channel 
data).  Steve tells me there are wonky things in the X-band data, so 
I'll look at this test now.