[evlatests] Antenna 24, at C band is HOT!

Dan Mertely dmertely at nrao.edu
Wed Jun 3 15:12:50 EDT 2009


There is a maint form on ant 24 C band.  The internal
heaters turn on without intended command.  It sounds
like it's doing it again.  I'll let Cryo know.

-Mert


Rick Perley wrote:
>     Antenna 24, all IFs, at C-band is showing sensitivity low by about a 
> factor of four.  It is showing normal sensitivies at K, Ka, and Q bands. 
>     The cause is easy to find -- the system temperature is about 300 K. 
> 
>     Rick
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