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If it is really a true FITS file then ATLOD (which is ancient) should not work. Use FITLD.</div>
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Eric</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Daip <daip-bounces@listmgr.nrao.edu> on behalf of Andy Biggs via Daip <daip@listmgr.nrao.edu><br>
<b>Sent:</b> Thursday, November 28, 2024 10:05 AM<br>
<b>To:</b> daip <daip@nrao.edu><br>
<b>Subject:</b> [daip] Loading ATCA data {External}</font>
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<div class="PlainText">Hi,<br>
<br>
I'm trying something that I've never done before - to load ATCA data <br>
into AIPS. I'm falling at the first hurdle - ATLOD reports:<br>
<br>
ERROR 3 ON UNIT TTDEV01 , GETTING HOST/SERVICE BY NAME<br>
ZMSGOP: ZTTOPN RETURNS ERROR = 1 FOR LUN = 6<br>
ATLOD1: Dropping all flagged visibilities.<br>
ATLOD1: Dropping autocorrelations.<br>
ATLOD1: Vis weights set to integration time in units of 15 sec<br>
ATLOD1: Averaging all pulsar bins<br>
ATLOD1:<br>
ATLOD1: Processing file: 1<br>
ATLOD1: Input polarizations: XX,YY,XY,YX<br>
ATLOD1: POLDEC: UNRECOGNIZED POLARIZATION TYPE.<br>
ATLOD1: Purports to die of UNNATURAL causes<br>
ATLOD1: localhost 31DEC23 TST: Cpu= 0.0 Real= 0<br>
AIPS 1: Resumes<br>
<br>
I'm running with APARM=-1,0 which appears to be the recommendation.<br>
<br>
Looking in the FITS file, the Stokes values do look wrong in that <br>
CRVAL=5 whereas I would expect -5 for XX. Changing CRVAL3 to -5 and <br>
CDELT3 to -1 doesn't help.<br>
<br>
I don't know what the first bit of the message 'ERROR 3 ON' means.<br>
<br>
As this is my first time with ATCA, I might be doing something really <br>
stupid, but if you could help, that would be great. I'm trying to load <br>
an RPFITS file that I downloaded from the ATCA archive.<br>
<br>
This is on 31DEC23.<br>
<br>
Thanks,<br>
<br>
Andy<br>
<br>
-- <br>
<br>
Andy Biggs<br>
Project Scientist<br>
UK Astronomy Technology Centre<br>
Royal Observatory<br>
Blackford Hill<br>
Edinburgh<br>
EH9 3HJ<br>
<br>
Tel. +44 (0)131 385 9441<br>
<br>
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