[evlatests] Latest on Ka & Q-Band Receiver Installations

[Ken Sowinski]

On Tue, 18 Nov 2008, Robert Hayward wrote:

> Antenna 25:
> -----------
> A-Band S/N 6 was successfully installed (finally) on Antenna 25 after
> sorting out earlier problems with its Card Cage as well as a failed LNA.
> The receiver was cooling when we left and we could see the Cal when fired
> using the T304's total power detectors. Thus all seems to be going
> properly so far. The feed had been aligned to the subreflector last week
> but the Antenna Mechanics will redo it again since we had to disturb the
> alignment when we had to return the receiver back to the lab. I'll forward
> Tcal values to Ken tomorrow.

Larry and I took care of system parameters this morning and it
seeems to work.  Pointing is close, but can be improved.  Delays
and focus have been set.

We will take care of the Ka band on ea01 when we here the plate
has been removed, and ea28 at Q band when it is again available.