[evlatests] 17 Nov. sick data / Nov. 15 good data.

Bryan Butler bbutler at nrao.edu
Mon Nov 19 17:03:51 EST 2007


it's supposed to round them both to even Hz.  i think i incurred a bug 
when fixing it for continuum L-band.  i'll have a look.

	-bryan


Vivek Dhawan wrote:
> L band, BW= 0.78 MHz, corr mode 2AC, same file
> run on both days but Doppler velocity settings
> were different on the 2 days, i.e. several freq.
> settings were used.
> 
> In all cases, the pattern is that when the Fluke
> setting in the observe file ends in an odd number
> of Hz, the EVLA and VLA are mutually incoherent
> (fringes within each array are OK). Fluke AC set
> to even Hz always makes the 2 arrays coherent.
> 
> I checked the scripts for the 2 days at:
> 
> /home/mchost/evla/scripts/astronomy/2007/11/140AV297-000.evla
> /home/mchost/evla/scripts/astronomy/2007/11/142AV297-000.evla
> 
> The frequency in the scripts is identical to that in the
> .obs file. Is obs2script supposed to round the frequencies
> to even Hz on both AC and BD or just BD?  in this case
> neither appears to be rounded - but an expert should look
> at this, as I may not be reading the script correctly.
> 
> V.
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