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MeqTrees is a software package for implementing Measurement Equations. This makes it uniquely suited for simulation and calibration of radioastronomical data, especially that involving new radiotelescopes and observational regimes. For more information, read our reference papers. Check out the Projects Page for some past and ongoing success stories. You can also take a look at the old front page of this wiki, which is quite confusing but informative.
MeqTrees includes a highly capable FITS viewer and sky model manager called Tigger, which can also work as a standalone tool.
To get involved, or simply to ask us a question, please visit the MeqTrees Forum (you may see an "expired certificate" warning when you follow this link, please ignore it and click through.) Everybody's welcome, and no question is too silly! Note that we won't be answering technical questions by e-mail anymore -- we want all technical discussion on the forum, so everybody can benefit.
MeqTrees 1.2 (now including Tigger) was released on 17/09/2011. We currently ship binary packages for a number of Linux distros. See for details and instructions, or
if you build from source.
For now I put this here, until it will find its own natural place.
06/06/2012: Tigger User's Guide released: http://www.astron.nl/meqwiki-data/users/oms/TiggerUsersGuide.purrlog/
14/10/2011: MeqTrees 1.2.1 is released. This primarily a bugfix release that addresses a few issues with 1.2.
17/09/2011: Rejoice, MeqTrees 1.2 is finally released! This also includes packages for Tigger.
15/09/2011: The 3GC-II workshop is about to begin. The 3GCII-Workshop wiki page will have the final program, PDFs of the presentation, and any last-minute announcements.
11/01/2011: A new series of Measurement Equation papers has been accepted by A&A, see Measurement Equations
23/11/2010: The MeqTrees "Reference Paper" has been published by A&A.
22/12/2009: MeqTrees can even provide a cure for insomnia! Check out these VideoTutorials!
02/10/2009: MeqTrees Workshop 2009 wiki :
01/09/2009: The SKADS Set Of Standard Challenges site is up. See http://www-astro.physics.ox.ac.uk/~ianh/SSSC/
Please email us at MailTo(meqtrees DASH support AT astron DOT nl). You may also sign up for this wiki.