Références et sources logicielles

Page Localisation

Bill Chadwickhttp://www.bdcc.co.uk/Gmaps/BdccGmapBits.htmGPS Graticule
Philip Gladstonephilip@gladstonefamily.netMaiden Grid Overlay (Locator Graticule)
Rossen Georgievhttps://github.com/rossengeorgievDaylight Zone