on 2012-04-18 14:48 alban bernard wrote
--- On Wed, 4/18/12, steve harley<[email protected]> wrote:
it's worth noting that the location services that tag
a photo do not use cellular data at all
Note that even though cellular data are not required for location services it
may help a bit with A-GPS and network triangulation techniques provided by most
modern phones to get a more accurate position in weak signal areas (e.g. cities
with a lot of high buildings, ...). Clearly, each tool has its most useful uses.
i was using the "charged to your data plan" definition of "data"; triangulation
of cell towers (as well as of local wifi signals) helps speed acquisition
because the GPS in phones is not very fast; as i understand it, the
triangulation is not charged to your data plan; if any data is transferred
(versus the phone just looking up tower ids in a cached table), i don't think
it is internet data
A smartphone is not unwieldy, especially if you already carry one all the time.
a phone is not unwieldy to carry, but one could argue the O-GPS1 is more much
more wieldy in the mechanics of geotagging
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