History of the GPS Satellite
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The US military forces launched the first GPS satellite in 1978. Since then, more then three dozens satellites have been launched on Earth’s orbit, servicing not only military and aviation forces but individual private users worldwide. In the history of the Global Positioning System, more than just one GPS satellite has been lost during launches or afterwards. Some satellites expired, others required replacements for technical purposes, but but no effort was spared for making GPS usage top quality. The decoding of the satellite signal is done by a GPS device or receiver that provides the exact geographical location according to three-dimensional coordinates.
Presently, almost any smartphone includes a form of GPS satellite navigation with different mapping support and applications. The GPS seems to have become an integrated part of people’s life, but one has to wonder what will happen in a couple of years when the now orbiting satellites will have to be replaced. For the moment, there are funding and management issues that impair the proper reconditioning of the Global Positioning System. The US Air Force is in charge of the entire GPS satellite structure, but according to a recent May 2009 report, there are economic difficulties to be overcome.
The average user will hardly notice if any of the 31 orbiting satellites will fail, because normally, four satellites at time on the sky are enough to provide adequate information. Sometimes information may get redundant as six up to eight satellites can get connected to a GPS receiver for the same tasks. In the absence of GPS satellite real-time positioning, consumers would have to start using maps all over again. The transportation systems, the maritime and military forces would be the most affected without GPS satellite reconditioning.
The European states are preparing the launch of an independent satellite navigation system in 2010 that would be an alternative to the American GPS satellite applications that are now most popular. There are other countries that have individual satellite navigation and here we can count India, China or Russia. No matter how things are managed in terms of policy, implementation and administration at the global level, the average user will not be affected by the different modifications in the way the GPS satellite communication works. More and more people will in fact start using GPS devices for increased efficiency of navigation.
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The Application of GPS Receivers
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Starting from the signal from orbiting satellites, GPS receivers are able to determine the geographic position or location in real time. There are very diverse applications of the Global Positioning System as the GPS receivers are used not only by the aviation, the marine and the military but by civilian consumers as well. The satellites spin around Earth twice a day, and their number and positioning allow for at least four to be visible at any moment you’d check the sky. Although initially, the system was planned for the use of the US military alone, it was soon opened to the public for individual, civilian applications.
There are two types of GPS receivers available for purchase: a category of devices that require computer connection to function, and stand alone units that do not depend on anything else. The highest mobility is achieved with the stand alone devices, which perfectly matches car usage. Pre-installed software with route info, routing directions and maps is part of the built-in features of the most advanced GPS receivers. Some units even allow for updates on the local attractions in certain area. Some of the best sold products in this category are manufactured by Navigon, Garmin, TomTom, Mio or Magellan Navigation.
The devices that do not function independently require connection to a laptop, computer, PDA or smartphone. Such GPS receivers can be connected either by cables or by Bluetooth technology. The disadvantage with this kind of GPS receivers is that they don’t have the navigation software included, and the buyer has to get the program separately. People nevertheless buy these GPS receivers because they are cheaper, although they raise a bit of a challenge in terms of installation.
While our ancestors had to read the stars to find their way, we can now manage to travel in the urban jungle and all over the world with automatic assistance from GPS receivers. Not all devices come with full world maps, particularly if you buy GPS modules. The Google Maps program can be used for downloading data for a certain geographical area or country. Geo-spatial orientation will no longer be a problem when you have such a travel companion to tell you the best and fastest way to get to destination without the trouble of getting into traffic jams.
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When the author isn’t using her GPS receiver, she’s a fan of best psychics, theSeattle HCG diet, and uses a Cadillac XLR windscreen windblocker wind deflector.
Never Get Lost Again With a Portable GSP
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While lots of devices are limited to in-car usage, a portable GPS system allows for all the mobility you may need. Older GPS designs require cabling and combinations either with Palms or PDAs, relying on this adaptation and on car power. The portable GPS unit is designed according to special standards that allow for outside usage in various applications and sports such as hiking, climbing, cycling, fishing and the like. Even if the functionality and the features are similar, there are lots of differences between car GPS units and portable GPS systems.
It is of paramount importance to check the calculation time, the ease of programming, the speed of satellite connection, the performance and detour options. All these make the handheld or portable GPS system models a viable choice with multiple applications. Always buy a waterproof and weather resistant GPS item if you are going to use it in various temperature and outdoor conditions. The new portable GPS system can also be adjusted to car usage because of the design versatility. You can for example avoid the much dreaded traffic jams by accessing the traffic information features in the GPS device.
Are there any criteria to be used for the correct choice of the portable GPS system? Comparisons and ratings are available for many models, and the best way to find them is on the Internet. There are in fact, web pages that provide comprehensive comparisons, reviews and price information. The good bits and bad bits of various portable GPS system models are discussed, and some other people’s suggestions could be really useful. Don’t limit the testing of the portable GPS system to the vocal announcements, but go through all the features.
Consider the relevance of a certain feature of the portable GPS system for your personal needs. And since we are talking about a portable device, the size is very important. The GPS device should fit your pocket, since any item with a large screen will have a reduced portability range. Then, the price of the portable GPS system should be on your mind. If you insist on buying a low-priced unit, you risk to buy a poor quality item that will function only sporadically. Last but not least, consider the capacity of the portable GPS system to calculate the remaining time and distance to destination, since such a function could be very useful.
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When the author isn’t geocaching, he’s a fan of the psychic reviews, uses the hcg diet, and rides around using his Miata windscreen windblocker wind deflector.
How To Select a GPS
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There is no one best GPS unit, but a great variety of models and designs, one more peculiar than another. Usually, the top five positions are occupied by manufacturers like Garmin, TomTom, Magellan, Mio and Maestro. Like many other electronics, with every new product there comes an expectation of improvement. Innovation is part of the production process, and the best GPS corresponds to the consumer’s demands first and foremost. Here are some tips to help you with the buying decision, with the mention that no reviews can be 100% true or reliable, because no matter how objective we’d like to be, there is still a slight bias rate.
The best GPS device will always be packed with features such as Bluetooth incorporated in the design, text-to-speech functionality, MSN direct services and even accurate speech recognition applications. Route calculation speed and price make other important elements in a comparison. One can have high expectations from a Garmin GPS unit, but not the same from a no-name product. You can also shop for advanced lane assistance and the possibility to enter addresses via voice. 3D renderings represent a feature worthy of the best GPS units available. You can count two or three features plus or minus as the main differences between competitors.
The user interface could also define the best GPS unit available. Those items that have a high user friendliness rate represent ideal choices for all categories of users. Other than this characteristics of new GPS models, the pricing scheme is important to stress out too. It goes without saying that anyone eager to buy the best GPS unit, should be prepared to pay a small fortune for it. In fact, if you read online reviews, you’ll see that pricing is the main inconvenience mentioned in the ‘bad’ section.
Deals come with the sale season. Models older than a year get discounts occasionally, and all producers are interested to have those sold in order to be able to enter the market with new items. As it happens with all purchases regardless of category, there is no absolutely ‘best’ or ‘worst’ because such concepts are relative and very much related with the personal nature of an individual. The general lines of defining the best GPS device will nevertheless include a high number of features, the latest incorporated technologies and a high price.
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Is a GPS Right For You?
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A Palm GPS has the advantage of being able to increase the capacity of the personal navigation system by substituting the graphic display device and offering supplementary portable orientation functions. Regular products in the Palm GPS category have larger displays, more memory space and a quicker processing rate. The Palm thus ranges between a stand alone GPS unit and a device that needs computer or laptop connection. The combination of Palm and GPS enjoys worldwide appreciation particularly among hikers. Some softwares are not compatible with GPS devices even if they incorporate a navigation system.
Really cheap products usually have this kind of problems. A new Palm GPS version runs on special softwares with hardware advantages such as color screens. A good GPS brand is a clear guarantee of quality, but even so, you should check and test the features to make sure it suits your needs. The connection of older Palm models to modern GPS devices requires some form of adaptation particularly for serial ports. The Palm GPS should have some memory support for maps and this is usually achieved by using external palm hardware configurations. The eventual incompatibilities can be noticed when checking for the software support.
The Palm GPS software could also require adaptations or changes, and it’s best to prevent such cases by making smart product choices. Vendors usually allow for convincing verifications, but in case you are not satisfied, it would be hard to analyze a Palm GPS compatibility without professional assistance. All categories of car travelers and hikers can rely on a Palm GPS for personal navigation any time. The constant possibility to navigate at ease and receive information in real time represents an advantage more and more people enjoy.
Finally, older users of Palm GPS versions should inquire about the possibility to make updates and improve the technical performance of the items. This is sometimes only partly possible because of the specificity of the Palm and the compatibility of the GPS model with the updates. Usually, producers take into consideration this issue of compatibility with older designs every time they launch a new model, but the customer often has to buy a new Palm GPS configuration instead of trying to update the older variant.
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GPS as Gifts
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The new GPS technology has caused many changes in personal navigation, public transportation and vehicle tracking. With a simple GPS receiver you can access the orbiting satellites and get information on the current location, the destination and the shortest route to reach it. Moreover, new GPS devices provide information on traffic conditions, restaurants, hotels, ATMs, gas stations and points-of-interest for the map on which you navigate. Reliable, discreet and convenient, the new GPS units represent the beginning of another age in the field of communications and technological development. Although functioning on a set of common principles, GPS units differ according to brand, design and features.
A clear example of how progress works is the possibility to buy new GPS units that have the maps for a certain geographical area already installed. For models that do not have this availability, or for very peculiar applications, the maps have to be downloaded with the help of a special software. Processor speed, unit memory and touch screens are other improvements worth mentioning. When the GPS is able to work within more advanced parameters then the updates of position and information become instantaneous.
Minimum mounting and wiring: such features also characterize the new GPS unit. These devices are also suitable for hikers, joggers or any other categories of sports activities. It takes less than twenty seconds for the GPS receiver to decode the information, providing the user with the necessary data. Moreover, the compatibility between cell phones and new GPS devices has improved considerably, not to mention that smartphones provide both communication and navigation advantages in one. We can now carry the new GPS features incorporated in a cell phone, and just use them when in need. Personal navigation has certainly improved considerably, and we certainly make everything in our power to save time and be efficient.
Another nice feature of new GPS models is the 3-D moving map with turn-by-turn access and huge databases with information of interest. Did you know that a GPS unit can provide not only information on gas stations but also gas price details and venue ratings for restaurants in one location or another? And all these on top of a very quick capacity to access the satellites and calculate the geographical coordinates. Distance alert as well as geo-catching are also possible with a GPS unit, but they are very specific tasks that are used only occasionally. You should thus be able to create individual maps to correspond to one personal purpose or another.
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GPS Product Selections
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GPS products and accessories make traveling efficient, pleasant and safe. Since there are so many devices available, buying the right GPS system is not at all easy given the pros and cons of different GPS products as well as the car specificity. A good deal is recognized if all the individual navigational needs are met. Among the widely available GPS products we ought to mention PDAs, GPS receivers that integrate in the dashboard, GPS receivers that stick to the wind shield or hand-held devices.
There are many features that GPS receivers share, but design is the element that distinguishes between different GPS products. First of all, they all depend on a clear sky view to operate, then, the voice announcement feature is present with almost all models, even if there is graphic display too. Monitors, antennas, batteries, car power adapters and memory cards are other important elements included and shared by most GPS products. As for the classifications by manufacturer, Magellan, TomTom and Garmin are the brand names of international reputation.
The GPS products provided by these top producers no longer pose problems of system choice but rather of feature choice. Comparisons prove unnecessary beyond a certain quality standard~In fact, with high-quality standards, there is no longer necessary to make comparisons; hence, you just need to make up your mind about how you are going to use the GPS features you have available. What you can try to shop for in the best of conditions is the number of functions that could slightly differ between top-notch GPS products. You will probably get two or three more features with a product as compared with the competition. Check how the GPS products work, repeat the test after you buy the unit.
There are rare cases when the GPS products do not work as expected; when this is the case you should use the return policy and get a new product as a replacement. The problem is that GPS receivers are very intricate devices with lots of circuits, and something may not be in the right place thus causing a malfunction. In order to see whether the device works properly, go through all the features in the shop and then buy it. Also check the warranty conditions and the usage instructions so that the transaction may be really advantageous.
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