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http://www.mreriksson.net/howtos/visor-t39-gprs
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http://www.cnssys.com/Tac32
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http://e-axe.mytty.org/kisgearth
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http://www.cucy.net/lacp/archives/000023.html
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http://www.linuxforums.org/news/article-24818.html
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http://www.linux.com/feature/148307
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http://gmaps.yellowbkpk.com/index.php?title=Main_Page
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http://www.recherche.enac.fr//paparazzi/wiki/index.php/Main_Page
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http://www.makezine.com/blog/archive/2005/07/how_to_gps_tag.html