Timo Juhani Lindfors wrote: > mqy <meng.qing...@gmail.com> writes: >> It is not a problem that user account is required when download u-blox online >> aiding data. > > It is a problem since u-blox might go out of business and you might > not want to tell them where you are all time. Their server also might > be down. There are plenty of reasons to remove dependency to any > single party.
It is possible to start an open service, with mirrors. Interested people can set their freerunners to send in good aiding data when they have it (i.e. when using the gps and a network is available.) Such a update gives away where you are, because the satellite constellation is only seen from part of the world. But I believe this part is large enough for privacy. People using the service don't need to give away much. In an extreme case they will download ephemeris data for _all_ satellites, and then do the processing based on approximate location in the phone itself. Helge Hafting _______________________________________________ Openmoko community mailing list email@example.com http://lists.openmoko.org/mailman/listinfo/community