Iridium? http://en.wikipedia.org/wiki/Iridium_satellite_constellation http://en.wikipedia.org/wiki/Iridium_satellite_constellation Beam up some coordinates ev

Iridium? http://en.wikipedia.org/wiki/Iridium_satellite_constellation http://en.wikipedia.org/wiki/Iridium_satellite_constellation Beam up some coordinates every minute from an Iridium phone strapped to the roof. Pair it to an iPad to get those coordinates. Maybe have a second phone/ipad strapped onto the underside too just in case the plane ends up flying upside down.