For more than a decade now GPS or Global positioning systems have been on the market with a universal availability. The have become increasingly common in day to day objects. You can find a GPS track in mobile phones and cars, or can purchase them in pens, laptop dongles or watches. These make keeping track of both parcels and people easier than ever before.
But how does it all work?
Orbiting around the earth are networks of satellites that are used for transmitting signals that can determine the location of GPS trackers. GPS receiver exist in three different forms: those that collect and save positional information, receivers called data pushers that are capable of transmitting their positions and GPS device that enable users to request position data via SMS text message. These last are known as data pullers.
GPS trackers that come off of the shelf are able to provide information that is considerable accurate up to 10 metres and are sufficient for most normal usage. These com in two different formats. The first of these, data pullers, provide real time updates of the position of the tracker through a computer that is linked into mapping software. Google Earth is an example of this mapping software. GPS trackers of the data pushing variety are employed for the purpose of tracking and following goods that have been stolen or for the live progress of vehicle, as with emergency service transportation. With these the device transmits a signal so that the user is able to visualise the position of the GPS tracers.
The second system requires an individual to request the devices location, data pullers. Sending it a text message normally does this. The GPS tracker then replies, sending back a text message with its current mapping co-ordinates, which in turn can be fed into a computer or traced through a mapping app on a modern GPRS mobile phone. Companies with fleet vehicles that need to check availability and route progress make valuable use of this technology ensuring your ambulance, taxi or pizza arrive on time.
In cases where the exact position is not required but details of journeys or the route a particular vehicle took you can use a GPS logger. This records the details of position, speed and direction that can be recovered from a memory chip at a later date. They are small and lightweight and easily transported without causing inconvenience or obstruction. This type of product is popular with sports people such as cyclists where they can use GPS tracking to analyse their performance at a later date. Allowing for the user to make improvements to performance, route selection or driving style.
But how does it all work?
Orbiting around the earth are networks of satellites that are used for transmitting signals that can determine the location of GPS trackers. GPS receiver exist in three different forms: those that collect and save positional information, receivers called data pushers that are capable of transmitting their positions and GPS device that enable users to request position data via SMS text message. These last are known as data pullers.
GPS trackers that come off of the shelf are able to provide information that is considerable accurate up to 10 metres and are sufficient for most normal usage. These com in two different formats. The first of these, data pullers, provide real time updates of the position of the tracker through a computer that is linked into mapping software. Google Earth is an example of this mapping software. GPS trackers of the data pushing variety are employed for the purpose of tracking and following goods that have been stolen or for the live progress of vehicle, as with emergency service transportation. With these the device transmits a signal so that the user is able to visualise the position of the GPS tracers.
The second system requires an individual to request the devices location, data pullers. Sending it a text message normally does this. The GPS tracker then replies, sending back a text message with its current mapping co-ordinates, which in turn can be fed into a computer or traced through a mapping app on a modern GPRS mobile phone. Companies with fleet vehicles that need to check availability and route progress make valuable use of this technology ensuring your ambulance, taxi or pizza arrive on time.
In cases where the exact position is not required but details of journeys or the route a particular vehicle took you can use a GPS logger. This records the details of position, speed and direction that can be recovered from a memory chip at a later date. They are small and lightweight and easily transported without causing inconvenience or obstruction. This type of product is popular with sports people such as cyclists where they can use GPS tracking to analyse their performance at a later date. Allowing for the user to make improvements to performance, route selection or driving style.
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