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Public information and articles about the Global Positioning System or GPS.
Global Positioning System (from Wikipedia)
Global Positioning System (GPS) is the only fully functional Global Navigation Satellite System (GNSS). Utilizing a constellation of at least 24 Medium Earth Orbit satellites that transmit precise microwave signals, the system enables a GPS receiver to determine its location, speed, direction, and time. Other similar systems are the Russian GLONASS (incomplete as of 2008), the upcoming European Galileo positioning system, the proposed COMPASS navigation system of China, and IRNSS of India.
Developed by the United States Department of Defense, GPS is officially named NAVSTAR GPS (Contrary to popular belief, NAVSTAR is not an acronym, but simply a name given by John Walsh, a key decision maker when it came to the budget for the GPS program). The satellite constellation is managed by the United States Air Force 50th Space Wing. The cost of maintaining the system is approximately US$750 million per year, including the replacement of aging satellites, and research and development.
Following the shooting down of Korean Air Lines Flight 007 in 1983, President Ronald Reagan issued a directive making the system available for free for civilian use as a common good. Since then, GPS has become a widely used aid to navigation worldwide, and a useful tool for map-making, land surveying, commerce, scientific uses, and hobbies such as geocaching. GPS also provides a precise time reference used in many applications including scientific study of earthquakes, and synchronization of telecommunications networks.
GPS Tracking
GPS Tracking Knowledge Base
My boss gave us new cell phones. How can we tell if the phones have GPS tracking? If it does have GPS tracking can it pinpoint our exact location.
They sell gps tracking devices for hundreds of dollars, but isn't there a way to just track the current gps navigation that is used in a car? Why...
Hi ! I just bought my brand new car and I consider set the GPS tracking for my new "babe" So guys, I just wanna some information about the ...
I cannot seem to find, what I would consider, the right product for my non-motorized fleet of courier vehicles. What I am trying to find is a mag...
I want to be a reseller of GPS tracking services or fleet management services in Haiti. I need to find a company capable of providing such a service ...
GPS Systems
GPS Systems Knowledge Base
I want to get a GPS system for my car. I need one that shows backroads though because I know that some systems don't. I know Garmin has good syste...
I have heard Garmin makes really nice GPS systems but some say tom tom isnt bad however others say Sony is the best. Which are the best?
Looking for a GPS system that will help me as a pizza delivery driver. Would prefer one that I can buy used or refurbished in order to save money.
GPS Software
GPS Software Knowledge Base
ATT's new phones have GPS support designed to interact with the proprietary TeleNav Navigator software. This software comes with a 9.99/month pric...
What would the best GPS software be for a windows mobile 6.1 Samsung Omnia i900? I would prefer it to be free if possible.
Is there anyway I can install a free GPS software that I can use with a bluetooth GPS receiver and I don't have internet in my phone.Which is the ...
I currently have the Magellan Roadmate which does not come with Mexico on the software (only North America). Is it possible to download a program so ...
I just bought an in-dash CD/DVD/GPS touch screen that doesnt have the GPS software included with it. There is an SD card slot for the software but i h...
GPS Repair
GPS Repair Knowledge Base
I have a nextar gps that will trun on but stay on the loading screen. I tryed to let the internal battery run out recharged and same thing happens. I ...
I have a dilemma. I have the option to get a car with an internal GPS unit using an internal hard drive....or, I can just buy an external one and stic...
So I decided to get a GPS system because I am always lost. My friend had a TomTom a while back and well, he was sick one day and threw up all over it ...
I've sent my PC Phone to this company for repairs recently, but they are not returning my calls. They did call once with some pretty accurate info...
GPS Reviews
GPS Reviews Knowledge Base
For those who have used this product, what do you think about it? Are you happy with your buy? I need a GPS that can be used not only in the continen...
I'm looking to buy a portable CAR GPS for a loved one at Christmas, and am unfamiliar with the various different types, options, etc. Is there...
I have been researching GPS systems for my car, and the most popular are the Navigon 2100 and the TomTom One 3rd Edition: http://www.buzzillions.com/g...
GPS Garmin
GPS Garmin Articles
How to Put More Than 1 Map on GarminXT We can put more than 1 map on GarminXT.
GPS Garmin Knowledge Base
I'm looking into purchasing a gps garmin watch. I'm just curious as to what is the difference in the two watches. I have read that people have...
I purchased a preloaded garmin c340, and now I have a file I downloaded off the web (gpx file), with all the red light cameras and such, and a differe...
I'm looking to buy a good priced GPS system that will list all the attractions (like museums, beaches, things like Mount Rushmore, ect.). Is ther...
Looking to get a Garmin GPS and I dont feel like spending $500 or more on a GPS. The ones im looking at are the 200W and 260W. Anyone have or know any...
Bluetooth GPS
Bluetooth GPS Knowledge Base
What are the benefits with having a bluetooth enabled gps vs a non bluetooth?
I wanna get a PDA (with Windows Mobile) with Bluetooth and then use a Bluetooth GPS receiver with it. The problem is, I don't know which ones woul...
having done some research i cant work out whether nokia maps is free to use as a sat nav, i dont need the voices but was wondering whether it was poss...
I have a Dell Axim X3 and I want to use it as a GPS navigator. It has no bluetooth capabilities but ideally I would want to connect it to a bluetooth ...
In other words, can I use a GPS mapping software with a smart phone that does not have internal GPS if I use a bluetooth GPS receiver?
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