[daip] forwarded message from Eric Greisen

[Eric Greisen]

------- start of forwarded message (RFC 934 encapsulation) -------
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Return-Path: <egreisen at aoc.nrao.edu>
Received: from polaris.cv.nrao.edu (polaris.cv.nrao.edu [192.33.115.101])
	by dropbox.aoc.nrao.edu (8.12.8/8.12.8/smtp-gateway) with ESMTP id j3PI29iq016664
	for <egreisen at aoc.nrao.edu>; Mon, 25 Apr 2005 12:02:09 -0600
Received: from revere.aoc.nrao.edu (revere.aoc.nrao.edu [146.88.1.15])
	by polaris.cv.nrao.edu (8.12.8/8.12.8/smtp-gateway) with ESMTP id j3PI28s0030620
	for <egreisen at nrao.edu>; Mon, 25 Apr 2005 14:02:09 -0400
Received: from primate.aoc.nrao.edu (primate.aoc.nrao.edu [146.88.3.236])
	by revere.aoc.nrao.edu (8.11.6/8.11.6) with ESMTP id j3PI1oF08203;
	Mon, 25 Apr 2005 12:01:50 -0600
Received: (from egreisen at localhost)
	by primate.aoc.nrao.edu (8.12.8/8.12.8/Submit) id j3PI1ooY012680;
	Mon, 25 Apr 2005 12:01:50 -0600
Message-ID: <17005.12430.760124.465462 at primate.aoc.nrao.edu>
In-Reply-To: <Pine.LNX.4.62.0504251344410.15498 at localhost.localdomain>
References: <Pine.LNX.4.62.0504241259130.14525 at localhost.localdomain>
	<17005.1815.414298.289629 at primate.aoc.nrao.edu>
	<Pine.LNX.4.62.0504251344410.15498 at localhost.localdomain>
X-Mailer: VM 7.00 under Emacs 21.2.1
X-MailScanner-Information: Please contact postmaster at aoc.nrao.edu for more information
X-MailScanner: Found to be clean
X-MailScanner-SpamCheck: not spam, SpamAssassin (score=-6.4, required 7,
	BAYES_01 -5.40, EMAIL_ATTRIBUTION -0.50, IN_REP_TO -0.37,
	REFERENCES -0.00, REPLY_WITH_QUOTES 0.00, USER_AGENT_VM -0.06)
From: Eric Greisen <egreisen at nrao.edu>
To: "Tracy Clarke (Contractor)" <tclarke at ccs.nrl.navy.mil>
Subject: Re: aips question
Date: Mon, 25 Apr 2005 12:01:50 -0600

Tracy Clarke (Contractor) writes:
 > Ok, thanks Eric. I hadn't realized they couldn't be added together. This 
 > makes GMRT data in this format more cumbersome than I had realized. I'm 
 > sure this is a stupid question but why do you recommend UVFIX? Thanks,

The coordinates are of date (observation date that is).  UVFIX is
required to get them onto a more standard equinox.

Eric


 > 
 >  							Tracy
 > 
 > >
 > > Polarizations are treated as part of an array and cannot be put back
 > > together once they are torn asunder.  Your best bet is just, run UVFIX
 > > first and then DBCON with 5 days added to one and then calibrate
 > > separately.
 > >
 > > Eric Greisen
 > >
 > >
------- end -------