Map of Satellite Based Augmentation System (SBAS) existing and near future service areas 2009
<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Persimplex" title="User:Persimplex">Persimplex</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Persimplex" title="User talk:Persimplex"><span class="signature-talk">talk</span></a>)</li>
<li><a href="//commons.wikimedia.org/wiki/File:BlankMap-World-alt.png" title="File:BlankMap-World-alt.png">BlankMap-World-alt.png</a>: Vardion</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:BlankMap-World-alt.png" title="File:BlankMap-World-alt.png">BlankMap-World-alt.png</a></li></ul>