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Mobile phones - John C. Kirk — LiveJournal

Sep. 28th, 2005

09:42 pm - Mobile phones

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Date:September 29th, 2005 08:59 am (UTC)
1. Read this. Locating phones to within 100m is technically feasible in most circumstances. But in order to point you in the right direction, you need something like an electronic compass built into the handset too. All the electronic compasses I've seen have been crap, but that doesn't mean it's impossible. :-) Possibly a better solution would be integration of GPS receivers into handsets: then you can automatically text your location to someone, and they can see where you are relative to them. That gives you 10m accuracy, and possibly even a graphical map, if you subscribe to a mapping service provider (or your network does so for you). GPS integration is probably only a matter of time.

2. It's partly paranoia, partly playing it safe - the argument would be that the inconvenience for a large number of people is insignificant compared to the risk of killing even one person by interfering with their life support equipment, etc. cf terpsichore1980's answer for the second part of your question.

3,4. Answered elsewhere. :-)

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[User Picture]
Date:September 29th, 2005 09:06 am (UTC)
>GPS integration is probably only a matter of time.

as i said it is already on soem phones. now we just have to wait for lots of them to have it.



we actaully have that one in the office. its huge
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