As the phone changes location, the antenna towers monitor the signal, and the phone is "roamed" to an adjacent tower as appropriate. By comparing the relative signal strength from multiple antenna towers, a general location of a phone can be roughly determined.
Other means make use of the antenna pattern, which supports angular determination and phase discrimination. Newer phones may also allow the tracking of the phone even when turned on and not active in a telephone call. This results from the roaming procedures that perform hand-over of the phone from one base station to another. A phone's location can be shared with friends and family, posted to a public web site, recorded locally, or shared with other users of a smartphone app.
The inclusion of GPS receivers on smartphones has made geographical apps nearly ubiquitous on these devices. Specific applications include:. In January , the location of her iPhone as determined by her sister helped Boston police find kidnapping victim Olivia Ambrose.
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Locating or positioning touches upon delicate privacy issues, since it enables someone to check where a person is without the person's consent. In Malte Spitz held a TED talk  on the issue of mobile phone privacy in which he showcased his own stored data that he received from Deutsche Telekom after suing the company.
He described the data, which consists of 35, lines of data collected during the span of Germany 's data retention at the time, saying, "This is six months of my life [ Spitz concluded that technology consumers are the key to challenging privacy norms in today's society who "have to fight for self determination in the digital age. Chinese government has proposed using this technology to track commuting patterns of Beijing city residents.
Free GPS Tracking App to GPS Track a Cell Phone
In Europe most countries have a constitutional guarantee on the secrecy of correspondence , and location data obtained from mobile phone networks is usually given the same protection as the communication itself. In the United States , there is a limited constitutional guarantee on the privacy of telecommunications through the Fourth Amendment. United States that the government violates the Fourth Amendment by accessing historical records containing the physical locations of cellphones without a search warrant.
From Wikipedia, the free encyclopedia. It has been suggested that this article be merged into Cellphone surveillance.
How to Legally Track a Cell Phone
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GPS Phone Tracker-GPS Tracking on the App Store
California Satellite navigation Secure telephone United States v. Jones United States v. Karo Vehicle tracking system.
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Asilomar Conference on Signal Processing This application is one of the most powerful and innovative applications to spy on the target person device. The app is offering innovative features. With the help of this tracking tool, a user can track and spy on any mobile device invisibly and remotely.
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Popular Uses for GPS Trackers
This is an amazing and useful application that is used by a large number of people who wish to track the location of their loved ones. If you are the one who works abroad and does not get enough time to check whether your kid is going to school regularly or not, then this application is of great help.
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