[evlatests] Ant 09, and a new problem with ea13

Rob Long rlong at nrao.edu
Wed Jan 7 14:43:33 EST 2009


The servo shop tells me that there is a backlash problem in the syncros 
that they will be looking at today.

Rob

Ken Sowinski wrote:
> On Tue, 6 Jan 2009, Ken Sowinski wrote:
> 
>> Free time tonight will be used to measure interband collimations.
> 
> This was done with enough succes to be able to update the
> collimations at C, K and Q bands.  The X band pointing was
> sufficiently well behaved that I consider to antennas free
> to move whenever that is deemed useful.
> 
> ea13 was not so good however.  There sudden large collimation
> errors at C and K band.  It failed to get any solutions at
> Q band; either because it doesn't work at all or the pointing
> is just too far off.




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