Can Global Positioning System (GPS) work in Nigeria? » Nigeria - Forum, Blogs, Free classifieds, Business Directory, Events, Polls
This is witchcraft! Or, how else would I describe a device that gives you the location and time information anywhere on or near the surface of the earth and in any weather? Without leaving your sitting room, but with the right gadget, you can literally monitor the physical events taking place anywhere on earth. When we talk of "everyday technology," this is it!
I am talking of a global positioning system (GPS). Like many advanced technologies, the internet included, GPS is a product of a research project funded by the United States Department of Defence. Global positioning system satellites evolved from a mission by the US for total earth surveillance for war and military purposes. Obviously this technology is dual-use, as a host of non-military applications have been spun-off. The technology is accessible by anyone with a GPS receiver and it is free!
However, you may not be getting the most precise and accurate signals, as those are reserved for the US military and select civilians. I am sure we are still happy with what we are getting, since the US government has spent billions of dollars developing and perfecting the GPS technology and all anyone has to pay for is the cost of his or her own GPS receiver gadget. For under $180, you can tap into this technology and obtain accurate enough data (latitude, longitude, altitude) of your location. You can also choose a location from a map, enter its grid numbers into your receiver, and obtain step-by-step directions to get to the location. For a non-technical introduction to the topic, you could consult the book "GPS for Everyone," which was written by L. Casey Larijani and published by American Interface Corporation, New York.
By Prof. Foluso Ladeinde
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