Satellites In The Sky

At any one given time, there will be at least two-dozen satellites in the sky that can be used with the GPS receivers. The coordinates of these satellites are pre-loaded into any GPS receiver in order that the receiver may receive instant and accurate information that can be used for pinpointing a location or for navigation purposes.

Some Receivers Are More Accurate Than Others

Not all receivers are alike because while most portable GPS receivers can be accurate to within a ten to twenty meter distance, it is the stationary GPS receivers that can provide accuracy to within one meter. There are also receivers that work best when used with different activities such as hiking, fishing, golfing, boating and driving. Either the information that the user can see will be a map with the location marked on it or just the coordinates for the longitude and latitude will be given.

GPS receivers use a mathematical operation called trilateration to figure out where the receiver is located and to calculate the transmitted signals into a distance from that receiver. This method measures the distance that a signal has to travel from four or more satellites to get to the receiver and the location is derived when these calculations are matched with one another.

It is possible for you to purchase a GPS receiver for less than one hundred dollars and this device will have the ability to help you when you are lost or need directions to arrive at your planned destination. It is possible to improve your golf game, luck at fishing and your chances of getting to where you are going on time. If Columbus had one of these electronic devices, chances are he would have found his passage to India as he first planned to do and things would have turned out differently for the Old and the New World.

S.Md. Geocachers On Adventure's Trail (Washington Post)

In five secret locations in Southern Maryland are five plastic containers filled with trinkets, a small notebook, a rubber stamp and a code word. To find these treasure-troves, you will need a Global Positioning System device and a sense of adventure.

Blind residents want Quebec to help GPS be their guide (CBC)

Blind people living in Quebec want the government to help them tap into global positioning system technology to navigate around their communities.

New York man survives harrowing climb (UPI)

NEW YORK, Jan. 4 (UPI) -- A 60-year-old New York man says a global positioning system device helped save him and his companions during a mountain climb in Antarctica.

New York man survives harrowing climb (Moldova.org)

A 60-year-old New York man says a global positioning system device helped save him and his companions during a mountain climb in Antarctica.Veteran climber Bob Pospischil of Nesconset said while he and six other climbers successfully made it to the summit of Antarctica's Vinson Massif, they became trapped and running perilously low on food during their journey back down, Newsday reported Sunday. ...

Comtech Telecommunications Corp. Receives $282.0 Million Movement Tracking System Order -- Largest Single Order in ... (GlobeNewswire via Yahoo! Finance)

MELVILLE, N.Y., Jan. 5, 2009 -- Comtech Telecommunications Corp. announced today that its Maryland-based subsidiary, Comtech Mobile Datacom Corporation, received an order for $282.0 million under its Movement Tracking System, or MTS contract, with the U.S.