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peasemore
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Joined: Aug 03, 2007
Posts: 379
Location: Berkshire
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Tim Buxton
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Joined: 14/09/2002 20:56:18
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Location: Surrey, United Kingdom
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 Posted: Fri Aug 10, 2007 5:14 pm Post subject: |
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| Quote: | | Insp Mick Park, Local Police Area Manager for South Bucks, said: “Drivers must take care not to leave sat navs and laptops in their cars - even if these items are concealed they can still give off a signal, alerting thieves to their whereabouts.” |
I wonder what signal my satnav gives off? Or my laptop, for that matter, when it is switched off. At least he isn't a detective. 
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PaulB2005
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Joined: Jan 04, 2006
Posts: 9323
Location: Durham, UK
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| Posted: Fri Aug 10, 2007 5:16 pm Post subject: |
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| Quote: | | I wonder what signal my satnav gives off? Or my laptop, for that matter, when it is switched off. At least he isn't a detective. |
They whisper gently to passing thieves and junkies "Steal me, Steal me, go on, you know you want to. I'm under the passenger seat....." Well known fact.  |
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Skippy
Pocket GPS Verifier
Joined: 24/06/2003 00:22:12
Posts: 2946
Location: Escaped to the Antipodies! 36.83°S 174.75°E
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| Posted: Fri Aug 10, 2007 5:40 pm Post subject: |
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| Tim Buxton wrote: | | I wonder what signal my satnav gives off? Or my laptop, for that matter, when it is switched off. At least he isn't a detective. |
I think there was a debate about this a while ago. I think they are talking about bluetooth, but sounds like FUD spreading to put the frighteners on people.
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PaulB2005
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Joined: Jan 04, 2006
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Location: Durham, UK
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| Posted: Fri Aug 10, 2007 5:47 pm Post subject: |
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| Quote: | | I think there was a debate about this a while ago. I think they are talking about bluetooth, |
When it switched off??
If it was intended to put the fighteners on people then its stupid - it just breeds ignorance and when people find out its a lie they mistrust the source. |
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peasemore
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Joined: Aug 03, 2007
Posts: 379
Location: Berkshire
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| Posted: Fri Aug 10, 2007 6:28 pm Post subject: Emissions from satnav |
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Perhaps one of manufacturers whom I assume watch this board, can give definitive answer on this.
The suggestion to leave glove box open shows how Police have their priorities wrong!
In same vein should we leave our front doors open to make it easier for these low lifes 
I do recall on a TV Prog that it was suggested by TV Police that satnavs/laptops could be identified by a device used in the home to detect cabling.
Guess I should experiment/see what tanspires. 
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Gel
Lifetime Member Thames Valley, Berkshire, UK
Mazda CX-5 built in SatNav- not sure if TT or not. Garmin NUVI in reserve. |
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mostdom
Pocket GPS Moderator
Joined: Jul 10, 2006
Posts: 1964
Location: Surrey, UK.
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| Posted: Fri Aug 10, 2007 9:53 pm Post subject: Re: Emissions from satnav |
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| peasemore wrote: | | ...I do recall on a TV Prog that it was suggested by TV Police that satnavs/laptops could be identified by a device used in the home to detect cabling... |
That couldn't work as those devices are based on a rebounded signal and only work to a shallow depth. A best it would pick up the metal in the doors, roof, bonnet, ... Oh look theres a car!
It's opertunist, even if it is only a possability of a score. If they break into five cars, chances are at least one will have something they can sell.
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Dom
HERE LIES PND May it rest in peace.
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Skippy
Pocket GPS Verifier
Joined: 24/06/2003 00:22:12
Posts: 2946
Location: Escaped to the Antipodies! 36.83°S 174.75°E
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| Posted: Sat Aug 11, 2007 10:57 am Post subject: |
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Ahh, a quick search and I found this thread with a long and sometimes heated discussion!
edit: url fixed by PaulB2005
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trevor.dowle
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Joined: 16/06/2003 05:22:14
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| Posted: Sat Aug 11, 2007 3:07 pm Post subject: |
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| Tim Buxton wrote: | | I wonder what signal my satnav gives off? Or my laptop, for that matter, when it is switched off. At least he isn't a detective. :roll: |
Actually PC's do transmit RF data, and they are detectable by scanners which can collect transmitted data. I don't know if this is true of SATNAV equipment, but logic dictates that it probably would be when used from a PDA, and therefore possibly from 'all in one' units.
An easy way to demonstrate this is by using a radar detector (if you have one). When you pass by banks and some petrol stations you will get an alert, and that is why there is usually a special setting for built up areas.
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Trev Dowle
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mikealder
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Joined: Jan 14, 2005
Posts: 19638
Location: Blackpool , Lancs
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| Posted: Sat Aug 11, 2007 4:45 pm Post subject: |
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| Try a Google search using the word Tempest that will frighten you as to what levels of spying can be employed when "sniffing" for the RF given off by electronic devices - and the associated costs involved trying to defeat this threat - Mike |
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Skippy
Pocket GPS Verifier
Joined: 24/06/2003 00:22:12
Posts: 2946
Location: Escaped to the Antipodies! 36.83°S 174.75°E
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| Posted: Sat Aug 11, 2007 5:03 pm Post subject: |
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| trevor.dowle wrote: | | When you pass by banks and some petrol stations you will get an alert, and that is why there is usually a special setting for built up areas. |
That is because many of the door openers are actually Radar transmitters, though they are usually X-Band so you can tune them out on good detectors.
ALL electrical equipment gives out electromagnetic interference, but I really can't see that the crooks are sophisticated enough to have something to detect this and that they would actually use it to locate and identify sat nav equipment as the Police are suggesting.
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mostdom
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Joined: Jul 10, 2006
Posts: 1964
Location: Surrey, UK.
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| Posted: Sat Aug 11, 2007 9:49 pm Post subject: |
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| Skippy wrote: | | ...but I really can't see that the crooks are sophisticated enough to have something to detect this... |
More likly to sell some sophisticated scanning equiptment to pay for their next score, than use it.
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Dom
HERE LIES PND May it rest in peace.
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