| GPS [global positioning system] is a worldwide | | | | Navigation and positioning are important but |
| radio-navigation system formed from the | | | | cumbersome activities, which GPS makes it easier. |
| constellation of 24 satellites and their ground | | | | Once GPS locates your position, then it starts |
| stations. It is a system mainly used to locate the | | | | tracing other factors like speed, bearing, tracks, |
| user?s position at a time. Although GPS was | | | | trip distance, sunrise/sunset time, distance to |
| originally intended for military applications, but now | | | | destination and several other details. GPS uses |
| it is mainly used in marine, location-based services | | | | ?man-made? stars as reference points to |
| and terrestrial navigation. GPS can work for 24 | | | | calculate positions accurate to a matter of |
| hours in any type of weather condition, | | | | meters. However, with recent forms of GPS you |
| irrespective of sun and rain. | | | | can make measurements much better than |
| Working of GPS system | | | | centimeter readings. So it is with the aid of GPS |
| GPS works in a wonderful way. The GPS satellite | | | | that you can give a unique and specified address |
| circles the earth twice a day in a precise orbit and | | | | to every square meter on the planet. |
| transmits signal information to earth. GPS | | | | You can get GPS services without any |
| receivers take into this information and use | | | | subscription fees and set up charges. So these |
| ?triangulation method? to calculate the user?s | | | | days GPS finds its way into cars, planes, boats, |
| exact location. The meaning of ?triangulation? is | | | | construction equipments, farm machinery, laptop |
| receiving radio signals from a distance. Along with | | | | computers and movie making gears. |
| knowing the distance, you also need to know | | | | Modern GPS systems |
| exactly the position of the satellites in space. This | | | | With the world advancing rapidly everyday, there |
| is done with the help of high orbits and carefully | | | | are recently discovered Newer Garmin GPS |
| monitoring the instruments for locating the | | | | receivers with WAAS [Wide Area Augmentation |
| satellites. Finally you also need to correct any type | | | | System] that can improve the quality and |
| of delays that the signal can experience as it has | | | | accuracy of location of any one at any time. |
| to travel for a long distance through the | | | | Although no additional equipment is required, yet |
| atmosphere. | | | | users get the advantage of Differential GPS |
| Importance of GPS system | | | | [DGPS] to get correct signals within the distance |
| GPS is important as it helps you to figure out | | | | of three to five meters. |
| where you are and where you are going when | | | | So use GPS systems to get the maximum |
| you are traveling from one place to another. | | | | benefits of modern technology. |