[daip] Data skipped during FRING

Arnaud Collioud Arnaud.Collioud at obs.u-bordeaux1.fr
Wed Nov 19 11:04:18 EST 2014


Hi again,

I took another example where the message is displayed, which is harder for me to understand :
subarray 2, time= 1/00 11 43, duration= ??, src= ?? (is there a way to display the source name in FRING?)

There is no entry in NX1 (file sent previously) for this time. The closest entry for subarray 2 is the one at 1/00 12 15 (duration 2:00 for src 1417+385). As before, I attached the result of UVPRT.

Arnaud

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Le 19 nov. 2014 ? 14:35, Arnaud Collioud a ?crit :

> Hi Amy,
> 
> I attached the NX table, as well as, the FRING output message (DATA SKIPPED message appears 39 times).
> I also attached the output of UVPRT for the first message found ; it corresponds to :
> subarray 1, time= 1/02 42 04, duration= 0:44, src= 1741-038.
> I am no expert but UVPRT looks good (no data outside scan boundaries)...
> 
> I will try with another example. I will keep you informed.
> 
> Cheers,
> Arnaud
> 
> <UVPRT_SKIPPED_DATA_EX1><fring_skipped_data.txt><NX1_skipped_data>
> 
> Le 18 nov. 2014 ? 23:37, Amy Mioduszewski a ?crit :
> 
>> Hi Arnaud,
>> 
>> Can you find the data that was skipped?  I.e., have FRING print the times it is working to figure out what time is being skipped and then us UVPRT to find the visibilities?  I doubt this is a big problem or a lot of data, but it would be interesting to find out if there was data that was not making it into "scans" in the NX table.
>> 
>> Amy
>> 
>> On 11/18/2014 08:58 AM, Arnaud Collioud wrote:
>>> Hi Amy, Hi Eric,
>>> 
>>> I got the following message from AIPS when processing standard X-Band VLBI data:
>>>> FRING1: DATA SKIPPED: APPARENTLY BETWEEN SCANS
>>> 
>>> I tried to delete CL1 and NX1 but the message is still there.
>>> In which case does this message occur?
>>> 
>>> Cheers,
>>> Arnaud
>>> 
>>> 
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> Daip mailing list
>>> Daip at listmgr.nrao.edu
>>> https://listmgr.nrao.edu/mailman/listinfo/daip
>>> 
>> 
> 



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