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16 Data Sources

Note that data from each of these sources is subject to various disclaimers and conditions for its use. A summary of the restrictions is noted in each section and links to the relevant parts of the web sites which should be consulted for full information.

The minimum terms for a source in Chart are that personal non-commercial use is permitted. In fact that’s usually all that’s permitted, and in particular further copying or distribution is generally not allowed (and this will include derived forms like the graphs drawn by Chart).

Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017 Kevin Ryde

Chart is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version.