[evlatests] Flagging/moving from P to C bands ...
Jim Ulvestad
julvesta at nrao.edu
Mon Jul 2 22:33:09 EDT 2007
Going the long way around is 239 degrees, which should take
almost exactly 6 minutes.
Are you sure the start azimuth wasn't -48 deg., just reported
modulo 360?
Jim
>
> My file observed 3c147 at P-band, then moved to a different source
> for the C-band observation. JObserve reported that this move should
> take 3min, 24 seconds. But in fact, it took nearly 6 minutes for good
> C-band data to appear. This is for most of the antennas -- some took
> a few seconds longer.
>
> For those who distrust JObserve, here are the beginning and ending
> azimuths and elevations:
> Start AZ: 312
> End Az: 191
>
> Start El: 29
> End El: 56.
>
> The slew time will be set by the azimuth move -- 120 degrees, which
> at 40 deg/min should take 3 minutes.
>
> So -- what were the antennas doing for that extra 2.5 minutes? The
> unflagged data shows nothing but noise...
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