| In the olden times people relied on the position of | | | | tech gadget but has emerged as a great tool in |
| the stars and the direction of the sun to | | | | the field of navigation worldwide. That's not all the |
| determine the direction. After the mariner's | | | | GPS system is of help in map making, geo |
| compass came into existence it became a means | | | | caching, land surveying, geodesy, surveillance and |
| of determining the direction. It was of great help | | | | tracking. |
| especially to the people traveling through the seas. | | | | It has a main function in the transport system |
| From times immemorial man has built monuments | | | | and provides great help in navigation for ground, |
| and depended on the positioning of the stars to | | | | air and maritime process. This system has been |
| find the direction, but with developing technology | | | | instrumental in saving lots of lives especially at |
| and science, a number of tech gadgets have been | | | | times of disaster. These help in determining the |
| developed. One such blessing is GPS or the Global | | | | location and time of the natural disasters. GPS can |
| Positioning System. | | | | be of great help is saving lives of people in |
| GPS is a US based Global navigation system, | | | | disaster stricken area. |
| which provides reliable navigation, positioning and | | | | The benefits of the gadget is innumerable, it is |
| timing services to users all over the world. One | | | | one tech gadget that has taken the world by |
| can avail its services absolutely any time, be it | | | | storm and has been of great help to a lot of |
| day or night, in any weather and anywhere. GPS | | | | people. Everyone has benefited from the GPS be |
| satellites transmit signals from space to the GPS | | | | it a geologist or a surveyor or a farmer. Not just |
| receivers which then display the information. | | | | this the accurate timings of the GPS have made |
| The information transmitted provides a three | | | | activities like banking and cellular phone operations |
| dimensional location namely latitude, altitude and | | | | not just possible but a lot easier too. |
| longitude along with precise time. GPS is not just a | | | | |