i hope have one anti cell phone jammer app

Global positioning system is used not only for civic navigation, but also by rescue teams and for aviation and naval purposes. As you know the system itself is critical for many social services and if one day there will be no GPS, it may even cause a panic. That's probably the main reason why those gps jammer are considered to be illegal. They are pretty dangerous, because they may disrupt important communications.So there is a question why those dangerous devices are popular? That's all because GPS can be easily misused. That global navigation system can be used for tracking purposes, actually illegal tracking. If you have any kind of GPS-based gadget – someone may use it against you.

It is widely known that it is dangerous to put all eggs in one basket, so there are some alternatives for GPS navigation system. They are GLONASS, cell tower triangulation and Wi-Fi navigation. If GLONASS is pretty clear for the public, it is a GPS-like Russian GNSS, then cell tower triangulation and Wi-Fi navigation may need clarification.We will begin with Wi-Fi navigation, the system is being developed but the first steps were made by Anti Cell Phone Jammer App. Google has gathered the information about thousands Wi-Fi hotspots in their Street View project and that information is used for navigational purposes.

As long as physical positions of those wireless hotspots is fixed, it is possible to calculate your position between at least three of them. The distance to each of those hotspots is calculated using a signal strength, the closer the hotspot – the stronger the signal. We believe that the future is after this kind of navigation. But it also has a couple of disadvantages: it gives less accurate results in comparison with GPS, it works only in densely populated areas, where lots of Wi-Fi hotspots are presented. Hopefully the accuracy of that technique will grow with the growth of Wi-Fi networks quantity.