On Apr 11, 2013, at 2:54 AM, Max Kellermann <m...@duempel.org> wrote:
> It is suprising how well tracking works over (earth-bound) mobile > networks. It is far from perfect, but works better than expected. > Check the live tracks on a good day on our website. Has someone here had any success with this in the USA? (I found that coverage is pretty poor about a few thousand feet.) Cell towers are clearly optimized for the horizontal plane: http://3.bp.blogspot.com/-MY7TAPpPMu0/Tc2JMFzbvaI/AAAAAAAAAtg/iu_8K9k1UuA/s1600/Pg3.jpg But, this is from India, and patterns may well be different. The text also alludes to power used for the antennas, which seems to differ by order of magnitude. Max's point about single-packet protocols seems very valid. Perhaps the para/hanggliders can be accommodated using a bridge that forwards information - if anyone likes to build and run one. ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Xcsoar-user mailing list Xcsoar-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xcsoar-user
