| The satellite has changed everything in the field of | | | | these two figures. |
| communication. It has recreated the way people | | | | The world has many GPS systems that get |
| communicate with each other. Navigation systems | | | | produced by leading companies involved in this |
| too have changed a great deal. The present as | | | | field. There are many GPS Navigation Systems |
| well as the future are GPS Navigation Systems. | | | | which are quite capable in doing their primary task. |
| Simplicity always stays in complexity. Some | | | | However, the major ones are the Garmin Nuvi |
| manage to find it and some manage to forget it. | | | | 880, the Magellan Maestro 4250 and the |
| GPS stands for global positioning system and is a | | | | TomTom Go 930 GPS. These are the best in the |
| very good communication medium. This system | | | | business when it comes to these types of |
| consists of a constellation of medium orbit | | | | navigation systems. |
| satellites which revolve around the earth. The | | | | Bluetooth GPS Receiver is also a very good |
| total number of these satellites is some number | | | | mechanism. This is a sleek machine which can be |
| between 24 to 32. GPS receivers locate the | | | | kept in a pocket and also can be mounted on a |
| precise microwave signals given out by these | | | | car. It is a small but a powerful instrument that |
| satellites and determine their location. Receivers all | | | | can be used even with PDA's as well as |
| around the world determine navigation guidance | | | | Smartphones. This receiver uses the Bluetooth as |
| with the help of three mediums which are time | | | | the receiving technology and is a very useful |
| transfer, relative movement and absolute location. | | | | device. This is a very reliable mechanism and with |
| A GPS works by calculating its position from the | | | | the help of additional technologies effectively |
| satellites which is sent out signals to the receiver. | | | | calculates the position and it is thus a wonderful |
| The receiver calculates the transmitting time of | | | | device to have. Given the fact that this receiver |
| the signal from the receiving time and determines | | | | is extremely portable and compact and easy to |
| its position in the form of coordinates. These | | | | use. Hence this receiver is a must have medium |
| coordinates are then converted into latitude and | | | | for things such as long journeys and travelling to |
| longitude and hence the user of this GPS receiver | | | | unknown locations. |
| can thus figure out his position on the map with | | | | |