[evlatests] PDif compression and expansion -- a few 'final' notes

Dan Mertely dmertely at nrao.edu
Mon Dec 12 12:51:15 EST 2011


I might be noted that ea14 had HVAC temperature stability
problems over the weekend.  Rob Long has the details.  At
the maintenance meeting this morning he mentioned that
ea14 temp dropped significantly as the outdoor temps dropped.
-Mert


Rick Perley wrote:
...
> 

> ... Even more notable is ea14, where the PDif went 
> from compression to expansion within a 3 hour period.  It did this on 
> both polarizations on both days -- but not in identical ways. 
> 
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