The next step to do after finished logging software support would be to use ephemeris and almanac data, either from another itrax unit or from other online source.
http://isuite.fastrax.fi/sdk/341/Common/AppNotes/APP_AGPS.pdf
This would help to keep the startup time to minimum, if the almanac and ephemeris are up to date.
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It would be great, because fix is extremly slow for me (unknown reason).
ReplyDeleteWhen I looked into the iTrax GPS module, there is some parameters that sets the time when the GPS-alm/eph-data is too old, and it seems like 7.5 hours is the default setting, after this all eph/alm data has to be acquired again, for each satellite. If you for example put the unit under the sky and wait for a fix, then turn it off for a minute, it will get a new fix in a matter of seconds the next start.
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