On 4/23/2011 6:45 PM, Nancy Young wrote:
> Dan Abel wrote:
>
>> "Nancy Young" > wrote:
>
>>> Oddly, I don't have a problem with that, you need to pick up
>>> a signal to place a call. I don't think you even need to make a
>>> call for there to be a record kept by the companies where police
>>> can get to it if there's some reason.
>>
>> Plus, most people don't just want to make calls on their cell phones,
>> they want to be able to receive calls. So, as soon as you turn on
>> your cell phone, it does a scan for the most powerful (closest)
>> signal. Once it finds it, it sends out your phone id to that tower,
>> and it is entered into a database, so when somebody calls you, that
>> call can be routed to the tower that your phone is now listening to.
>
> Of course, it makes perfect sense when you put it that way. What
> I know I picked up from watch true crime stuff and got the idea you just
> needed your phone turned on for them to find out whereabouts
> you were.
> nancy

On my (particular) cellphone and service - there's an option to turn-off
the GPS feature - whether or not that's true, I have no idea. The only
time GPS kicks in is when 911 is used. At least that's how I understand
this particular 'feature' is used on my rather-old cellphone (3+ years old).

Sky

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