GPS, or international Positioning System has been operational since Gregorian calendar month 1993, however its history lies abundant more back to the Nineteen Forties once ground based mostly navigation systems like Decca Navigator began. This, whereas it planted the seed of inspiration wouldn't take another revolution till the 1957 launch of the primary artificial satellite by the country showed that satellites were a clear stage.
In the starting the system was solely meant for military use, however that modified in 1983 once a Soviet fighter|attack aircraft} plane shot down a civilian aircraft in restricted Soviet area killing all on board, once the craft had erroneously wandered off beam. This was one thing that GPS might have prevented, and then Ronald Reagan shortly proclaimed that GPS would be on the market for all once it had been complete.
GPS could be a satellite controlled navigation system that's employed by the military and general public alike. For the overall public it's a great tool, a revolution from the one dimensional and none interactive maps that some individuals notice troublesome to scan and follow. There square measure many alternative brands of GPS receivers, and that they every provide completely different options, a number of which can not even be associated with GPS.
Prices for GPS devices begin at around $100 for a basic device that's monochrome and hand-held, and increase to over $2000 for a bigger, color device with a larger variety of options. At it's most elementary but, GPS isn't a stand alone, or navigation aid.
The lower level devices would be a hand-held GPS navigation tool, such would possibly embrace preloaded maps of the country of purchase, be waterproof and have a backlit LCD screen. Or for similar rating a basic GPS device with color screen, voice steering to inform you once to require what turns and onto what streets, the ability to feature new maps, and should have a alternative of languages and selection of the voice that the GPS uses.
At around $200 you add in options like slightly screen to your GPS device for inputting addresses and accessing menus still as blue tooth capability. Another maximize and you see options like abdominal aortic aneurysm tour books side in and automatic redirect; and necessary feature for a GPS navigator as a result of you'll be able to ne'er make certain once you can miss a flip and wish to induce back heading in the right direction via another route.
At the highest finish, GPS devices embrace such things as voice recognition, permitting you to talk your begin and finish points, and any points of interest in best. they may conjointly embrace non-GPS options like optical disk players, iPod docks and even provide you with traffic updates.
Though many folks don't realise it, GPS receivers are gift for a few time in several cell phones, and permit the phone to be derived exactly, once the police request such data. during this approach GPS has been accustomed facilitate notice missing individuals, and tries are created to use it to assist the victims of seizure.
Topic: History of GPS (Global Positioning System) (Read 1662 times)
