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GPS - Applications And Uses

November 19th, 2007    Subscribe To Our Feed

What are the uses for GPS? There are many, both for individuals, corporations, and the government.

Military

The military uses GPS technology to guide missiles, track and control forces and facilities, and more. GPS has allowed command and control of forces to greatly advance their effectiveness. Using GPS, units can report their exact location to command central, and easily find directions to other locations.

Automotive

Many newer vehicle models come with a GPS feature, which can be used to get customized maps and directions from your current location, to a specified location. This feature can be very effective, but some users warn that you should remember that it is just a machine and often makes mistakes. For example, it may take you by the shortest route, but it may take you longer to get there due to low speed limits.

Marine

Just like automobiles, many boats and ships use GPS for navigation. GPS may be especially helpful during darkness, fog, or other low visibility conditions.

Emergency Location

Many cell phone have GPS capabilities in them, so that emergency personnel can use GPS locating technology to locate a person vie their cell phone. The Navy & Coast Guard also use GPS technology for location lost persons.

Outdoor sports

Hunters, wilderness explorers, and other outdoor sportsmen may use GPS for navigation purposes, and / or to help find their way when lost.

Surveying

Many surveyors use GPS units to survey and establish boundaries and other locations or markers.

GeoCaching

Geocaching is a game or sport invented in 2000, which uses GPS to locate and find caches, or small treasures. One person hides the cache, the posts the details, with co-ordinates, on a geocaching website. Geochachers then attempt to locate the cache. Once one locates the cache, he or she may sign the log, and / or trade a belonging for some of th treasure in the cache. This ensures that their is always treasure in the cache.

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GPS Systems

November 7th, 2007    Subscribe To Our Feed

A GPS or Global Positioning System is a collection of two dozen satellites, which revolve around the earth. It is used to determine the location of a reciever on earth.This is done by sending radio signals to the electronic GPS recievers from the satellites. Every satellite has a reciever on earth. These signals contain data on the location of the satellites and the time taken for signal transmission. The satellites are placed twelve thousand miles above the surface of earth and complete 2 orbits every day. The functions of the satellites are periodically checked on and new ones are sent to replace the old ones.

With the improvement in technology, accuracy has increased. GPS systems have become more affordable as compared to earlier times. Accuracy differs depending on various factors. Sometimes it can even be as good as a few meters. The GPS systems can be used in a large number of areas. Further, decreases in costs have increased the number of users. Fishermen and hikers can use portable GPS to navigate in the wild. Cars are being equipped with GPS systems, which give drivers better navigation abilities and better protection against theft. It is used by the military to guide cruise missiles to pre-specified targets. Personal hand held devices like wrist watches are equipped with GPS to help in tracking people out and getting their exact location.

The system was developed by the Department of Defense of the US. It was initially named NAVSTAR GPS. Of the twenty-four satellites, the first one was launched in 1974 and the last in 1994. The Department of Defense switched off selective availability (SA) on 2 May 2000. The selective availability had been a cause for less accurate readings. The department reserves the right to turn it back on when they see the need to do so. The GPS systems are now about 10 times more accurate than they were when selective availability had been active.

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Marine GPS Keeps Boaters Safe

October 13th, 2007    Subscribe To Our Feed

Losing your bearing in your watercraft on an strange lake is never a pleasant emotion, however even those who are skilled boaters have experienced that unnerving feeling of miscalculating their navigational headings from time to time. With the boat outfitted with a marine GPS device, their odds of cmong back to land in a safe manner step-ups greatly.

Whether you employ a handheld unit, a stand alone marine GPS unit or have a GPS able personal data assistant (PDA) acquiring your bearings can be made a whole lot easier. Additionally, in the event of an emergency, you can use it to provide rescuers with your exact location making your safe return to shore almost guaranteed and will provide a quicker response.

When using a hand held marine GPS unit, it is advisable to check your location on the shore and make a note of it, in case you get lost while out on the water. By knowing where you are and where you need to go, getting there is made a simpler, quicker and safer. Especially if you are on unfamiliar water or a sudden storm makes visibility nearly impossible. If you travel away from shore too far and lose any bearings, you were hoping to maintain by sight, a marine GPS unit could help you find yourself into a safe harbor.

Record Positions Of Booming Fishing Spots

When fishing and you find a location that produces great results, you cannot put an ‘X’ on the water, but by using a marine GPS, you can do the next best thing. By making a note of the location revealed by the unit, you can return to the exact spot the next time you are looking for a place to catch fish. There will be no guessing involved or judging location by a reference point on the shore.

As it happens on certain occasions when boaters roam away from their familiar area they have to call for assistance. Whether it is due to the fact that they have lost their way on the lake or a break down with their boat and the necessity to direct a rescue craft to their position becomes more crucial as time goes by. A marine GPS on the boat  can supply you with the precise position to provide to a rescue boat, making your impending rescue quicker as well as easier.

In the occurrence of a more life-threatening accident on the water, for example your boat becomes capsized and sinks, an immediate rescue is essential. The utilization of a marine GPS, particularly if fitted with a GPS locator, can assist rescuers to locate you  close to your last announced position. Having a starting point for a rescue operation can be a vital and life-saving piece of information.

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