Portable GPS Mysteries – Whats A Point Of Interest?
A GPS is a compact, handheld device that serves the purpose of navigation. It helps pin-point directions to a certain location. They can also be used to determine the precise location of an individual/asset during an emergency situation. Being lightweight, these devices can be taken along for hiking, fishing, climbing or mountaineering. Nowadays, GPS devices can be seen in almost every other gadget as a standard feature. Cars, mobile phones and watches usually have integrated GPS systems. How Do GPS Maps work? GPS satellites basically calculate the position coordinates of a certain person/asset and displays it on a map. GPS satellites are a great help during land surveys, military exercises, map creation etc. These satellites can pinpoint a location up to a few meters. The process involves calculating precise coordinates of a GPS receiver. This is known as 3-D Trilateration. Distance of the traveling signal is processed through 2 or 3 different satellites and exact location is found wi
