| GPS, or global positioning system, uses a network | | | | navigation extremely easy. |
| of 24 to 32 medium earth orbit satellites to | | | | GPS has wide range of uses and is a useful tool in |
| provide positioning, navigation and timing services | | | | map making, land-surveying, tracking and |
| to users on a continuous basis anywhere in the | | | | surveillance. It has also given rise to hobbies such |
| world where there is unobstructed view of four | | | | as geo caching and way marking. It has also |
| or more GPS satellites. GPS basically consists of | | | | become an integral part of transportations |
| three segments. Space, Control and User. | | | | system, aviation and maritime operations. But the |
| Space segment consist of 24 to 32 satellites that | | | | most prominent use of GPS has been in the field |
| orbit around the earth in medium orbit. The | | | | of navigation. There are several devices that are |
| control segment consists of ground station and | | | | available in the market both portable and in car |
| antennas where as user segment consists of | | | | that can help you in planning your trip. The |
| thousand of users both civilians and military who | | | | features of these devices range from device to |
| rely on GPS for their day to day operations. | | | | device and the price consumer is willing to pay for |
| Over a period of time GPS has evolved and its | | | | them. |
| functionality has increased to huge extents | | | | GPS Navigation is still in its initial phase and with |
| primarily in GPS navigation. GPS navigation has | | | | the innovations being done one can expect to see |
| become more complex with each passing day and | | | | its application in extremely diverse fields. |
| provides a host of features that makes your | | | | |