[daip] 31DEC13, NOIFS problem

[정다운]

I attached IMHEAD outputs for the UV data sets input to NOIFS and output
from NOIFS, a POSSM(APARM(9) = 3) plot done before NOIFS and a printed
history by PRTHI.

Thank you for your kindness.



2016-06-28 1:43 GMT+09:00 Eric Greisen <egreisen at nrao.edu>:

> On 06/27/2016 06:27 AM, 정다운 wrote:
>
>> Hello, I'm a graduate student in Yonsei University in Korea.
>>
>> I've been studying VLBI data calibration using AIPS.
>>
>> However, I have a problem with NOIFS( AIPS 31DEC13).
>>
>> When I run POSSM after NOIFS, I receive this massage, and this picture.
>>
>> LOCALH> POSSM1: POSSUV: on baseline(s) KU       - KY
>> LOCALH> POSSM1: Covering timerange  00/11:27:46 -  00/11:28:16
>> LOCALH> POSSM1: Will plot  1024 channels *  1 IFs polarization LL
>> LOCALH> POSSM1: FILLPL: Amplitude mean: NaN          rms: NaN
>> LOCALH> POSSM1: FILLPL: Phase mean: NaN          rms: NaN
>> LOCALH> POSSM1: Doing: KU - KY     IF: 1
>> LOCALH> POSSM1: -------------------------
>> LOCALH> POSSM1:     1012 vectors truncated at edges
>>
>> 본문 이미지 1
>>
>> I don't know why "1012 vectors truncated at edges" is reported and odd
>> figures are presented.
>>
>> I really want to know how to solve this problem.
>>
>
>
> NOIFS was not really intended for VLBI data but it should work.
>
> Can you send me IMHEAD outputs for the UV data sets input to NOIFS and
> output from NOIFS.  Also I would be curious to see the POSSM done before
> NOIFS (use APARM(9)=3).
>
> Eric Greisen
>
>
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