<font face="Verdana, Arial, Helvetica" size="2">Eric Greisen updated #16728<br />
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Help Explaining Phase Calibrator Plots<br />
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<div style="margin-left: 40px;">Ticket ID: 16728</div>
<div style="margin-left: 40px;">URL: <a href="https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/16728">https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/16728</a></div>
<div style="margin-left: 40px;">Name: Gregory Walsh</div>
<div style="margin-left: 40px;">Email address: <a href="mailto:gwalsh4758@gmail.com">gwalsh4758@gmail.com</a></div>
<div style="margin-left: 40px;">Creator: User</div>
<div style="margin-left: 40px;">Department: AIPS Data Reduction</div>
<div style="margin-left: 40px;">Staff (Owner): Eric Greisen</div>
<div style="margin-left: 40px;">Type: Issue</div>
<div style="margin-left: 40px;">Status: Open</div>
<div style="margin-left: 40px;">Priority: Default</div>
<div style="margin-left: 40px;">SLA: NRAO E2E</div>
<div style="margin-left: 40px;">Template group: Default</div>
<div style="margin-left: 40px;">Created: 06 August 2020 11:49 AM</div>
<div style="margin-left: 40px;">Updated: 03 September 2020 11:55 AM</div>
<div style="margin-left: 40px;">Resolution due: 02 May 2023 05:00 PM (971d 5h 5m)</div>
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<p>I have found a bug in FITLD affecting old VLBA hardware correlator auto-correlations. It is a mcuh larger factor than you are seeing but if your data are pre-DiFX you should check your auto-correlations and the output of ACCOR. A MNJ on 31DEC19 or 31DEC20 will get you the corrected FITLD.</p>
<p>ERic Greisen</p>
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