[evlatests] antenna 25

Ken Sowinski ksowinsk at nrao.edu
Fri Sep 14 19:31:25 EDT 2007


Antenna 25 is still not there.  Pointing and optics are OK.
I see about a  five percent deflection in total power at
X band when the antenna is pointed to 3C273.  No hint at all
of a correlated signal.  Not with 0.4 second integrations;
not in a 1 MHz bandwidth; not in the crossed hands; not with
phase switching disabled.

The synthesizers and the L305 all claim to be in lock.  But
if it is not pointing and not delays, then either the LO
is not coherent, or we have crossed signals in such a way
that the sky frequency is not what we think it is.





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