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Topic:
GPS Phone locator
This thread has 16 replies. Displaying posts 1 through 15.
Post 1 made on Monday November 6, 2006 at 09:31
industria_living
Active Member
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If you haven't seen this before, it's amazing give it a go


This is crazy!

Thought you might find this useful if you are trying to track down your

Girlfriend or boyfriend...

Just type in their mobile number and they are tracked via GPS (or

something

similar) to within 10 metres of where they are.

www.geomobiles.net
Justin
[Link: industria.com]
Post 2 made on Monday November 6, 2006 at 20:19
Anthony
Ultimate Member
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it is not gps it is triangulation through cell towers.

it basically works the same way as GPS but on the ground

in essence your cell talks to the towers on a constant basis. At any time it is talking to several towers.

let's assume you can see 3 towers (there could be more and the more there are the more precise the pin point) call them A, B and C and we draw their respective areas. Like this venne diagram



if C and A receive your transmission but B does not, then you are in area 6. It also has the advantage that a cell tower (like your phone) can determine strength. so if C is receiving a stronger signal then A you know it is closer to C then A.

The weakness is that the signals are not even like the venne diagram. On the other hand you tend to be “touching” more then three towers.
...
Post 3 made on Monday November 6, 2006 at 20:41
OTAHD
Super Member
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4,679
So what do I need to enter to get a US number? All I can get is it to go to the same place.
LET'S GO BUFFALO!!!
Post 4 made on Monday November 6, 2006 at 21:44
Anthony
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lol just noticed it is joke.

that being said, it does exist and tech is that advanced (maybe not 10m, the tests I did where a few years ago) :)
...
Post 5 made on Monday November 6, 2006 at 23:36
GregoriusM
RC Consultant
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9,801
ROFLMAO, Anthony!!! I almost died laughing when you went into the science behind the locating ability of cellular equipment......... I thought....... "Did he click on the link?"

Thanks for a good laugh, my man!

The tech does exist and I'll bet that you can actually get it down to around 10 meters, but would it be cost justifiable is the question.
When ignorance is bliss, ‘tis folly to be wise.
Post 6 made on Tuesday November 7, 2006 at 04:38
djy
RC Moderator
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34,427
Perhaps it's just suspicious ol' me, but did think why anyone (no relation to the anyone who isn't a registered member, by the way) would offer such a service for free.

I think it goes to prove that given the right set of circumstances anybody (second cousin, twice removed, to the anyone who isn't a member) can be scammed. Fortunately in this instance, no money was involved.
OP | Post 7 made on Tuesday November 7, 2006 at 05:48
industria_living
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I put this in as a bit of light humour, as i fell for it when it was sent to me?!

I didn't think...

a) anybody would take it seriously and try explain how gps ACTUALLY works ; )

or

b) anybody would take offence and think it was a scam of some sort!

As greg said the technology certainly does exist. Just look at google earth as an example!
Justin
[Link: industria.com]
Post 8 made on Tuesday November 7, 2006 at 06:17
Mr Griffiths
It's my lucky day!
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On November 6, 2006 at 20:19, Anthony said...
it is not gps it is triangulation through cell towers.

it basically works the same way as GPS but on the ground

in essence your cell talks to the towers on a constant
basis. At any time it is talking to several towers.

let's assume you can see 3 towers (there could be more
and the more there are the more precise the pin point)
call them A, B and C and we draw their respective areas.
Like this venne diagram



if C and A receive your transmission but B does not,
then you are in area 6. It also has the advantage that
a cell tower (like your phone) can determine strength.
so if C is receiving a stronger signal then A you know
it is closer to C then A.

The weakness is that the signals are not even like the
venne diagram. On the other hand you tend to be “touching”
more then three towers.

lol ..never thought a serious answer would be so funny!!
OP | Post 9 made on Tuesday November 7, 2006 at 06:47
industria_living
Active Member
Joined:
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The accuracy of the location information depends on the distance between the mobile phone being located and the base station that mobile phone is connected with at the time.

Location information is generally much more accurate in urban areas than in rural areas.

As a guide please see listed below the expected accuracy:-

URBAN AREAS
Built up areas and cities such as London, Birmingham, Manchester, Leeds and Glasgow can expect accuracy between 150m to 400m.

SUBURBAN AREAS
Suburban areas vary between 450m and 2km

RURAL AREAS
Due to the sparse nature of the operator base stations in rural areas the accuracy can vary from 1.5km to 9km.


Just to keep the serious end of this post going ; )
Justin
[Link: industria.com]
Post 10 made on Tuesday November 7, 2006 at 14:38
djy
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Sorry, but I reckon CTU would have it down to 1, 10 and 100 cms respectively.
Post 11 made on Tuesday November 7, 2006 at 19:04
Anthony
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Thanks for a good laugh, my man!

glad to be of service, and no I did not click

The tech does exist and I'll bet that you can actually get it down to around 10 meters, but would it be cost justifiable is the question.

I found it odd for it to be public, but the cell towers and companies have the feature. It does not really cost much if anything. The cell towers need to know where you are and in what direction you are traveling in order to switch the call from one tower to the next.

Like industria_living pointed out in the city you can pin point much more easily then in rural areas because there are many more cell towers for a given area. This is for three reasons

1) more people are talking on the phone (or using the limited BW of each tower)

2) there are more obstructions (buildings, electro magnetic waves....)

3) the distance is reduced
...
Post 12 made on Wednesday November 8, 2006 at 03:39
GregoriusM
RC Consultant
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Oh
When ignorance is bliss, ‘tis folly to be wise.
Post 13 made on Wednesday November 8, 2006 at 10:10
djy
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I think someone is taking this far too seriously.
OP | Post 14 made on Wednesday November 8, 2006 at 11:14
industria_living
Active Member
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Yeah was just meant to be a bit of a laugh.. Oh well!! I tried!
Justin
[Link: industria.com]
Post 15 made on Wednesday November 8, 2006 at 19:35
Anthony
Ultimate Member
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Yeah was just meant to be a bit of a laugh..

don't you kow this is the intermission forum, nothing ends up as it started
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