[daip] [!16835]: AIPS - Issue calibrating old (2002) VLBA dataset
Eric Greisen
nraohelp at nrao.edu
Wed Sep 2 17:27:47 EDT 2020
Issue calibrating old (2002) VLBA dataset
-----------------------------------------
Ticket ID: 16835
URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/16835
Name: Peter Breiding
Email address: peter.breiding at mail.wvu.edu
Creator: User
Department: AIPS Data Reduction
Staff (Owner): Eric Greisen
Type: Issue
Status: Open
Priority: Default
SLA: NRAO E2E
Template group: Default
Created: 01 September 2020 09:12 PM
Updated: 02 September 2020 09:27 PM
Reply due: 07 September 2020 08:43 PM (4d 23h 15m)
Resolution due: 29 May 2023 12:00 AM (998d 2h 32m)
On 9/2/2020 2:43 PM, Peter Breiding via Daip wrote:
I can look at the vlbafix question also - but I have noticed something.
If one sets DOWEIGHT=-1 in FITLD the autocorr data have values 10^5 less
while the cross corrs are the same. The weights are changed by 10^6 and
the weight scale code is very simple. I do not understand and am
debugging. I think somehow this affects old VLBA data not recent or I
would have had lots of complaints - including in my own data reductions
Eric
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