thoughts on A-GPS offline

[Cédric Berger]

On Wed, Feb 18, 2009 at 16:52, Helge Hafting <helge.hafting at hist.no> wrote:
> Timo Juhani Lindfors wrote:
>> mqy <meng.qingyou at 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.)


Infos downloaded from u-blox are only valid for some time. So if
server is down for more than just a short time, it won't help much.
And I did not check but not I am not sure u-blox terms of service
allow to redistribute...