[evlatests] ea09 delays C-band on 15Dec2010
Michael Rupen
mrupen at nrao.edu
Thu Jan 27 18:38:43 EST 2011
This was an antenna synchronization issue on ea09 in mid-December. It's
been fixed.
Michael
>
> Some strange behavior noted in reduction of TPOL0003 data
> taken on 15-Dec-2010 at C-band.
>
> The attached printout shows the delays measured between ea09 and ea03
> as a function of time (OSRO mode, 2 spectral windows, 2 pols) over the
> 3hrs of the run. Delays ramp from 5.7nsec to 17.4nsec over the run!
> Other antennas were stable.
>
> I had not heard of this behavior being reported, and it was evidently
> transient (not seen in Rick's flux density run).
>
> -s
>
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