If we go to war with China the first thing they will do is knock out as many of our satellites as possible. Many secret SPY satellites in the Military will be safe now up there and there equipment in their UAVs, ground vehicles and command and control centers because they have special Anti-Jamming GPS systems with bleeding edge top of the line and state of the art counter measure technologies. You are probably thinking to yourself who thinks of this stuff anyways? Well you know men and there toys and when the US Military wants something no matter how seemingly impossible someone will find a way.This time that someone was a little company Harris Corp that has about $3 billion in annual sales and over 12,600 employees as of yesterday and they have teamed up with another little company; The Boeing Company, maybe you have heard of them. Harris Corp will provide to the net-centric battlespace smart munitions anti-jam technologies. This means no one gets away and no smart bombs go astray and that our enemies have only one option before meeting their maker and that is to pray.Now you are probably saying to yourself, “Hey self, that would be cool in my SUV!” Just think never lose an XM Radio connection or have to worry about interference on your urban assault vehicles GPS. Indeed that would be cool and it will inevitably become standard equipment on all in-car system by 2010 through the gracious gifts of transfer technologies or hand me down research from the US of A. Never a lost signal or missed tune, you got to love it. Think on this.
GPS systems all started out in the army in the year 1970. In the army, many soldiers needed navigation systems to know their directions around other countries. Without this device it would be really hard for them to find their way around. This device has saved much of the soldiers time in war and has also saved them many lives. GPS systems are very powerful devices and are a great navigation system to use to get around. So what exactly are GPS systems?GPS which stands for global positioning system, according to dictionary.com is: A system of satellites, computers, and receivers that is able to determine the latitude and longitude of a receiver on Earth by calculating the time difference for signals from different satellites to reach the receiver.GPS systems have gone for beyond just serving the army. They now serve just about everyone. These navigation systems help drivers find there way through city streets and help hikers find their way through the rough terrains of the mountains. They also help pilots find their way around the skies as well as helping mariners find their way around the great sea. The GPS systems technology can help serve anyone in need of it.GPS systems are especially a great thing to have for men, and I’m sure all women would agree. As everyone knows men don’t ask for directions. If a man is just to cool to ask for directions he could simply use his navigation system and would never get lost and of course would never have to ask for directions again. This saves the time of the wife who always would have to end up asking for directions. If you really think about it, using the GPS to get directions is a form of asking for directions, but shhhh don’t tell any man this.When you decide to buy a GPS system for yourself, I would recommend any Garmin GPS. Garmin’s are the number one brand name for GPS’s and I’ve heard nothing but good things from people who have bought them. By all means do your research on all different types of GPS systems but at the end you’ll realize that no other navigation system can beat the Garmin brand.
Since the US Department of Defense established the worldwide Global Positioning System (GPS) network, it has been put to a very wide variety of uses by governments, corporations, organizations, and individuals alike.It has been put to good use for many years in its original, and most obvious, purpose of coordinating military operations. In fact, if it weren’t for GPS, many modern military operations and practices would simply not be possible. It is also frequently used in search-and-rescue missions as well as disaster relief efforts.In addition to this, GPS technology has proven to be instrumental in numerous scientific research expeditions, especially in very remote regions such as mountain ranges and the north and south poles.The other side of GPS functionality, which is sometimes forgotten, is the many uses it can be put to by individual consumers. GPS handhelds and other GPS devices are available for sale through many ordinary retail channels, and can be very useful for a variety recreational purposes. For example, having a GPS device handy when camping, hiking, hunting, fishing, or boating can be an excellent way to ensure that you don’t get lost, even if you somehow manage to wander off course.Another common consumer use of GPS technology is for safety security purposes. Using a GPS tracking system can be an excellent way to combat crimes such as theft and kidnapping.
One of the most common uses of Global Positioning System (GPS) technology, by businesses and consumers alike, is to ensure security from theft, as well as human safety.Using a GPS tracking system is an excellent way for an individual or small business to keep track of important equipment including vehicles, machinery, and portable electronic devices, such as laptops and cell phones.A prime example of the usefulness of GPS technology for security purposes is its abilities in the fight against vehicle theft. If you car or truck were stolen, and it had a GPS vehicle tracking system installed, then you would be able to pinpoint the exact location of the vehicle, and see its exact coordinates on a map. You could then turn this information over to the police, allowing them to retrieve the stolen vehicle, and apprehend those responsible for the theft.GPS technology can also be instrumental in ensuring basic human safety. This is especially true with children, as every parent’s worst fear is their child getting lost or kidnapped. Fortunately, with the help of a child GPS tracking device, you can always know the exact location of your child. In the event of a kidnapping, you would be able to determine the exact location of the kidnapper and notify police and other emergency authorities of this information.All in all, there is little doubt that GPS can be an excellent way to fight crime, and ensure the safety of your belongings and of your family.
The worldwide Global Positioning System (GPS) network was designed by the US Department of Defense, as a way to track one’s exact location anywhere in the world.The GPS network consists of 24 navigation satellites, which orbit the planet at a height of approximately 12,000 miles. These satellites each orbit the earth twice every 24 hours, and they are set up in such a way that they can send signals to any location on the planet, whether it be land or sea, and no matter how remote.The 24 GPS satellites are continuously beaming positioning data, which can be picked up by GPS Devices on the ground, and used to calculate exact latitude and longitude coordinates. Depending on the device that is used, this data can be accurate to within a few meters.Some GPS devices also provide advanced features such as dynamic mapping and detailed driving directions.Despite the common misconception that GPS-enabled devices are prohibitively expensive, and only useful in scientific and military operations, many of these useful gadgets are primarily designed with the consumer in mind. For example, GPS handhelds can be carried around on one’s pocket, and are very useful for a number of functions. Certain companies, including Nextel GPS, have even begun integrating GPS technology with common consumer products such as mobile phones.
GPS, or global positioning system, is a tool that is used to measure distance and to help pinpoint location any place in the world. The fact is that it is an excellent tool that can do so much more than just tell you where you are. And, it is being used in everything from heart rate monitors to automobiles. If you havenÂ¡Â¦t heard of GPS, you need to get caught up. It could help to benefit your life in one way or another.First, understand how GPS works. Circling the globe are 24 satellites. They are orbiting the Earth at different locations and make a complete orbit around the Earth in about 12 hours. They are located about 12,000 miles above the surface of the Earth. They correspond with receivers that are scattered around the world. They are always transmitting information through digital radio signals. These signals tells the transmitters where they are and the exact time. They are so precise that they transmit time to the billionth of a second in accuracy.How They WorkEach of the satellites that work in the GPS network will send these signals to the transmitters down on Earth. They travel at the speed of light in fact. By knowing the length of time that it takes for the signal to get to the receiver, the receivers can get precise measurements. In other words, the longer it takes the receiver to receiver the signal from the GPS satellite, the farther away the GPS satellite is at that moment. This all helps the receiver and the transmitter to convey where they are on a longitude and latitude basis. When four receivers are used, this can also tell the altitude as well.It was first developed and used by the United States Government in the Department of Defense. It allows for accurate, all weather navigation for such things as military ground, sea and air forces to work and communicate.Today, though, it is used in much different circumstances. In fact, you will see it used throughout the world in many non governmental rolls.Today’s UsesThere are many uses of the GPS system today. In many cases, the GPS is a great way for finding and keeping track of just about anything. It has the ability to communicate within seconds and with precision that is unmatched in any other application available. It is also simple to use and inexpensive in many cases as well. Here are some examples to think about.You may have heard of cars and other vehicles using GPS tracking. This is one of the largest and most beneficial uses for the system. First, it allows for the car to be kept safe. For example, it can help to track a car that has been stolen. It works by transmitting data to the satellite receivers that then are sent to the authorities. The end result is that within seconds, you can know where your car has been taken.But, that is far from all it can do on a car. In many of todayÂ¡Â¦s cars, there are GPS tracking systems that can be used to help navigate the car. For example, if your system is working, it can tell you how to get from point A to point B without a problem. It will even tell you when you should be turning.Yet another example of its use in the car is its ability to help in emergency situations. The transmitted information can be sent to the authorities to alert them that you are in trouble. GPS jumps in and helps to find your location. Many vehicles are now being outfitted with this.But, cars are not the only thing that uses GPS. Any device can be equipped with one if there is a need for it. An example would be the heart rate monitor. Many use these for exercise to let them know when they have reached a targeted rate and how long they are holding it for. Well, how about a watch that is equipped not only to monitor the heart rate, but to tell you where you are running, how long it took you to get from one place to the next and the distance that you just traveled? GPS allows for this!GPS is a system that is useful and convenient. It allows for many uses and it has a real fit within the world. YouÂ¡Â¦ll find it in all sorts of unique products.
GPS, or Global Positioning System, is the latest thing in keeping from getting lost when trekking out to visit your Aunt Louise. Years ago you had to rely on landmarks, your handy compass or the guy at the corner gas station, assuming he knew where everything was. Today for about a hundred bucks you can get a little gadget that will tell you exactly where you are, any place on Earth. By using some basic mathematical calculations and a rather complex system, you can be in the middle of the desert, lost as can be, push a button and have your GPS tell you exactly where you are so that you can hopefully find your way back home.So what exactly is GPS and how does it work?GPS is actually a very complex and expensive system but the fundamental concepts of the system are very simple.The GPS system is a group of 27 Earth orbiting satellites. Twenty-four of them are in operation and 3 are backups in case one fails. The system was originally created for the US military but was eventually opened up to everyone else.Each one of these satellites, weighing in at about 4,000 pounds, circles the Earth at about 12,000 miles per hour and makes 2 complete rotations everyday. The orbits are arranged so that at any one point in the day 4 of these satellites are visible from any place on Earth.The complimenting receiver that was created to receive signals from these satellites has the job of locating 4 or more of these satellites, figure out the distance to each and from that information determine where on the planet the receiver itself is located. It then transmits this location back to the person who happens to be in possession of the receiver. The operation is based on a simple mathematical principal called trilateration. To simply explain how this works, let’s say someone tells you that you are 10 miles from Newark, NJ, another person tells you that you are 15 miles from Maplewood, NJ and a third person tells you that you are 20 miles from Woodbridge, NJ. By taking those three facts you can figure out exactly where you are because each radius of each distance when linked together will intersect at only one point. That point is where you are located.In order to actually do the calculation from space the GPS receiver needs to know 2 things. The location of at least 3 satellites above you and the distance between you and each of those satellites. The reason that only 3 satellites or spheres are needed is because the Earth itself can act as a fourth sphere. The GPS receiver itself works by radio waves which are a kind of electromagnetic energy and travel at the speed of light The receiver can actually figure out how far the signal has travelled by timing how long it took for the signal to arrive from each of the satellites.In the next article on GPS we’ll go over exactly how this system works to measure distance.
In this second of a three part series we’re going to go over how GPS receivers actually measure distance. A lot of math and science goes into this stuff so sit back and get ready to strain your brain.At any given time, let’s choose midnight for this example, the satellite begins transmitting a digital pattern called a pseudo-random code. At that same time the GPS receiver begins running that same random pattern. When the satellite’s signal reaches the receiver the pattern transmission will lag a little behind the receivers playing of the same pattern. The length of the delay is equal to the travel time of the signal. The receiver multiplies this time by the speed of light to measure how far the signal actually travelled. We assume the signal travelled in a straight line and this therefore is the distance from receiver to satellite.In order for this measurement to be able to be made the receiver and the satellite both need clocks that can be synchronized to the nanosecond. In order to make this possible you need atomic clocks, not only in the receiver but in every satellite as well. Atomic clocks cost between $50,000 and $100,000. That makes them a little too expensive for everyday use.To overcome this cost problem the GPS system has a very clever solution. Every satellite contains an expensive atomic clock but the receiver contains a regular quartz clock which the receiver itself constantly resets. The receiver looks at the incoming signals from four or more of the satellites and compensates for it’s own inaccuracy. Once it calculates the correct time value this will cause all the signals that the receiver is getting from the satellites to align at a single point in space. That is the time value held by the atomic clocks in the satellites themselves. So the receiver sets it’s clock to that time value and therefore has the same time value as all the satellites. Atomic clock accuracy for quartz clock prices. You can’t beat that.When you measure the distance to four satellites you can draw four spheres that all intersect at one point. Three spheres will intersect even if you’re way off but four spheres will only intersect if you are exactly right. The receiver can calculate the time needed for the spheres to intersect at one point. Based on this it resets it’s clock to match the atomic clocks of the satellites. The receiver does this constantly as long as it is on, which gives it the same accuracy as the atomic clocks in the satellites.In order for this info to be of any use, the receiver also has to know where the satellites actually are. To do this, the receiver stores an almanac that tells where each satellite is at a given time. Any adjustments that need to be made because of gravitational pull are transmitted to the receivers by the department of the military.In the last instalment of this series we’ll go over problems with the system, how they can be compensated for and how to use the data itself.
As the automobile GPS units get better and the prices have come down it seems that more and more people are finally contemplating on installing them. In the past few years audio, satellite radio and SUV back seat video recorders and TV have been considered to be the cool thing to own. Yet as prices keep falling in the feature rich GPS auto market we are seeing it is becoming one hot item to have and it indeed did appear on many a Soccer Mom’s Christmas list as well.Have you been considering a GPS unit? You know you need one and actually with high fuel prices the unit may just make up its costs in better trip planning and alternate routes in peak traffic times? Wouldn’t that be great; avoid the traffic and also save fuel? Now that is the ticket indeed and with the ticket prices coming down for the most sought after state-of-the-art and top of the line units with fully integrated features, voice activated commands and audio directions why wouldn’t you buy one today?There are many new options and units, which do not need the CDROM in them and you do not have to change them to find what you are looking for if they do use a CDROM. Many of the new units have the latest hard drives with upgradeable memory and are still well under $1000, which is a great thing indeed. Think on this.
Global Positioning System is a navigational aid, funded and controlled by the U.S.
Department of Defense. Since GPS systems utilize 24 satellites that orbit the earth
in a grid pattern, there are always six to eight satellites that are able to
communicate with any given position on earth at any given time. What this does is
give the average consumer the power to find any place on earth at any time day or
night. Just think of the benefits this provides for a wide variety of the public.Some of the benefits we might receive from GPS are:Fuel economy: If you want to maximize your fuel economy you’ll need a good
GPS system. Saving money at the pump as well as wear and tear on your vehicle
should be one of the main reasons why you would want a good GPS system in your
vehicle. Accurate driving directions not only will save you time in your daily
travels, but also will save you substantial gas money when travelling from place
to place. This is especially important for delivery and courier services.Travel directions: Utilizing a GPS system will give you accurate directions
for travel. Weather you are travelling locally, across country, or globally, you will
get accurate direction and constant monitoring of your current position. I wouldn’t
think of taking another family vacation without a GPS system in my vehicle.Recreation: Weather you are camping, or hiking, a hand held GPS unit will
benefit you. I can’t imagine going camping in the middle of the woods and not
being able to find my way out. The news is filled with daily reports of people
(or kids) that go hiking in the woods or the desert, and can’t find their way back
home or to their campsite. A GPS unit is the answer for these people.Maritime: If you have ever watched one of the popular fishing shows on T.V.,
or are a fisherman or sailor yourself, then you know how a GPS unit will benefit you.
Getting lost at sea or on a large lake would not be fun. The other side of the coin
is the fisherman, say there is a great hotspot on any given lake in the world, that
specific spot can be saved in your GPS system and found again at any time. This
could be beneficial to the recreational or professional fisherman.Tracking: If you run a courier business, rental business, or just plain delivery
service, and need to keep track of several vehicles, then GPS is what you need. Keeping
track of your vehicles will keep your overhead down. The other end of tracking is keeping
track of a family member or child, a GPS tracking system will aid in your efforts.