[evlatests] Tcal temperature sensitivity at Ku-band

Ken Sowinski ksowinsk at nrao.edu
Wed May 15 14:54:51 EDT 2013


On Wed, 15 May 2013, Rick Perley wrote:

>    I met with engineering a short time ago -- they are laying plans for
> thermally isolating various components on a few antennas at Ku-band.  If
> we can repeat this run (or at least a significant portion of it), during
> weather with a large temperature change (and light winds), we should be
> able to solidly establish the origin of the temperature-sensitive
> post-correction gain, and assure ourselves that the changes put in place
> to prevent the multiple correlator failures are actually working.

Consider that the antennas chosen to be modified are those which
will not move in the DnC to C transition.




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