[evlatests] Rising Tsys on ea18 at Ku-band

[Ken Sowinski]

On Tue, 6 Dec 2011, Rick Perley wrote:

>    Ken ran some 3-bit tests at Ku band this morning.  Results will be
> distributed shortly.
>
>    However, I notice that ea18 had a high and rapidly rising system
> temperature during the test -- starting at 80K at 9AM, and rising to
> 120K by the time the test ended at 11AM.
>
>    Anybody know what's going on here?

The cold last night triggered many cryo compressor problems.
this was probably one example.  During the last of our 3-bit
observations, antennas 10, 14 and 23 were stowed to remedy
this problem.