[evlatests] [Fwd: C-band switched power on ea24] -- X-band also!

Rick Perley rperley at nrao.edu
Thu Jul 7 16:47:00 EDT 2011


    An addition to the following message:

    This problem is also present at X-band.  It is absent at all other 
bands (L, S, Ku, K, Ka, and Q) (i.e., the PDifs are normal at these bands).



-------- Original Message --------
Subject: 	[evlatests] C-band switched power on ea24
Date: 	Thu, 07 Jul 2011 13:31:27 -0600
From: 	Rick Perley <rperley at nrao.edu>
To: 	evlatests at aoc.nrao.edu



    There is something amiss with the switched power on ea24, at C-band 
only. 

    The RCP side shows negligible PDif (4 millicounts in A, -3 
millicounts in B, where 300 millicounts is the normal), and very low 
values in LCP (about 45 millicounts -- 10% of the expected value). 

   
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