[daip] Re: CVEL

[Eric Greisen]

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From: Eric Greisen <egreisen at cv3.cv.nrao.edu>
To: Chris Phillips <phillips at jive.nl>
Subject: Re: CVEL
Date: Sat, 15 Jun 2002 14:33:07 -0600

Chris Phillips writes:
 > On Tue, 7 May 2002, Eric Greisen wrote:
 > 
 > > I do not know how i can figure out which correlator is which - do you
 > > know what they put in the AN table?  WE put VLBA and that does not
 > > care which antenna since it 0's it later.
 > 
 > OK, When I do an imhead of data created recently, I get
 > 
 > Telescope=EVN, Observer=JIVE
 > 
 > prtan gives
 > 
 > Array=EVN
 > 
 > In the actual raw fits file for UVFITS and IDIFITS we set:
 > 
 > TELESCOP=EVN
 > INSTRUM=EVN
 > OBSERVER=JIVE
 > RECEIVER=JIVE
 > ARRNAM=EVN
 > 
 > For IDIFITS we also set
 > 
 > OBSECODE=JIVE
 > 
 > Interestingly, for data from UVFITS, receiver=JIVE  but from IDIFITS it
 > is VLBA. I suspect a minor FITLD bug.
 > 
 > Let me know if you need more info.
 > 
 > As for the other Mark4 correlators, I cannot say (there is no common Mark4
 > software collaboration, though the geodetic correlators are probably all
 > the same).
 > 
 > If you like I can either get the other correlators to contact you (if they
 > want, Bonn probably will) or I can get them to send info to me and I can
 > send you a summary. Which would you prefer?
 > 
Okay - I have finally gotten around to changing it to test on
array=EVN to set IANT2 and otherwise to set IANT1, where for the
array=VLBA it will not matter which anyway.

Thanks for following this along,

Eric


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