Triangulation method to locate cell phones

As covered in previous posts, there is a specific method of locating your cell phones through the triangulation method. What is the triangulation method? If you have seen many CSI episodes, you probably have an idea what the method is all about.

It is basically the method of determining the cell phones location by measuring the angles to it from identified known points or a fixed baseline. By referencing the speed of radio signals, the distance and location from the unknown point can be estimated by identifying three to four known points. The known points can be where the antennas for the cell phone operator is mounted. The first known point identifies the distance to the cell phone.

The second known point then narrows down the location to two points. The third known point is then used to identify the exact location of the cell phone. Basically the concept is narrowing the exact location of the cell phone by eliminating the large area of a certain location to pinpoint location by using three filters or three known points. Two direction lines define a point area and the third line defines the exact location.