TowerNetWeb

June 3, 2011

How Do Auto Navigation Systems Work?

Contemporary auto navigation units are truly excellent. Have you ever considered getting one? Those who do not have or have never had a modern auto navigation system, or GPS (Global Positioning System) as it is also known as. will almost certainly not realize just how much information they provide. It is no longer only a device to stop you from getting lost whilst you are travelling from A to B.

Far from it. Modern GPS systems will tell you whether you are passing monuments, sites of historical importance or beauty, churches, hotels, restaurants, taverns, garages, petrol stations, airports and practically anything else that you would like it to inform you about. They have moved on from being only an on screen map to being a travel guide and much more..

If you are thinking about buying a GPS auto navigation system, it is worth learning a bit about how they operate, so that you can better understand what they do, what they can do and how they do it. This is useful knowledge for when it comes to deciding which system to decide on, because not all GPS systems are the same and some present more functions than others.

All car GPS navigation systems use satellites to help them work out their position. (This is not always the case with boats, because some water ways use land-based tracking stations.

The GPS is like a radio receiver, so it picks up signals from overhead satellites and interprets that data in order to determine where it is. In order to do this job properly, it needs the signals from three satellites.

This is known as triangulation and is very accurate, often to within a metre or a yard. However, in order to ensure even more accuracy, the data from a fourth satellite is used as a check. There is very little margin for error when four satellites are being used for pin-pointing a location.

A GPS item will tell you which way to go and if you go off route, it will advise you the best way for going back to the correct road. However it will also do more than that. Before you start out on your journey from A to B, you have to type in those two locations.

The GPS will then enquire of you whether you want to go by the quickest road, the most scenic route or whether you want to avoid motorways altogether.

This is a great role, but it can do more than that too. If you sort in the name of a restaurant along the way or a monument you would like to see, it will steer you from A to B via your place of interest.

One last item, be sure that the device that you purchase is upgradeable. Some are upgraded automatically, but you have to pay a monthly or annual fee. Others will sell you an upgrade which you have to install yourself. If you are comfortable with making your own upgrades, all well and good, but just be aware that systematically upgrading the software is vital.

Owen Jones, the writer of this piece, writes on several topics, but is now involved with how to get Stapletons tyres. If you want to know more, please visit our website at Car Tyres For Sale.

November 2, 2010

Reasons For Buying An Auto Navigation System

You have surely seen auto navigation systems in your friends’ vehicles and you could be on the point of getting one yourself. It is definitely true that the auto navigation systems are impressive and the price of a set-up has fallen quite radically over the last few years. There are indeed many benefits to be derived from using an auto navigation system, which is also known as sat nav.

In this article, we will take a look at some of the most important benefits of using a sat nav system.

Safety is of the utmost importance in whatever activity you undertake and safety has to be taken into account when driving as well. It is difficult to know whether the world used to be a safer place or not, but it is a fact that nowadays more people are wary of getting embroiled with strangers than they were before.

Lone drivers do not want to accost a stranger and admit that they are lost or even stranded. Maybe the stranger will send you into an ambush, set up hurriedly over a mobile phone as you drive off happily suspecting nothing. People have become very suspicious of strangers.

It goes without saying that solitary female drivers are the most wary of asking strangers for directions, but families with children are often very apprehensive as well.

Using an auto navigation system solves this problem, because you will never get lost again, presuming that the sat nav console is wired to your car battery or you have spare batteries for a hand-held device in the glove compartment.

Confidence in getting to your destination on time, if you have left early enough, is another major benefit. Traffic jams, road works, accidents and natural catastrophes will no longer be surprises to you and your sat nave system will be able to suggest alternative routes in order to avoid the obstacle. This is a very big benefit.

You will no longer have to leave really early to make sure you miss the traffic or to make certain you get somewhere on time. Sat nav will give your ETA. This can save you a whole load of stress, especially if you have to be in certain places for work or the kids all the way through the day.

Not to have to cope with with maps is a godsend too. No more folding and refolding maps and trying to remember sections of the route and then stopping to check and remember the next section of the route. Maps are always out of date too. New sections of motorway are always being added and small roads are sometimes closed for a new housing project. Paper maps just cannot keep up.

The last but not automatically the least major advantage is the freedom an auto navigation system gives to you in your spare time. It opens up the countryside If you were always a little uneasy about going on a Sunday drive because you did not know the way or did not have a co-pilot to read the map, now you can just go with your auto navigation system.

Owen Jones, the writer of this piece writes on various subjects, but is currently concerned with the Snooper sat nav system. If you would like to know more, please go to our website at Escort 8500.

October 28, 2010

What They Do Not Tell You About Auto Navigation Systems

Auto navigation systems have been improved a great deal since they were developed by the US armed forces in the Sixties and Seventies. In fact, their development is a continuous process, as you can well imagine. I remember in the Eighties when you received a fix on your position every twelve minutes or so.

This meant that ’sat nav’ was great for shipping and yachts, but not much good for cars or other fast-moving vehicles. They were also rather expensive and quite large, not like the devices that cyclists can get in a wrist watch these days.

In spite of the fact that sat nav has advanced far enough for companies to be able to manufacture affordable auto navigation systems, there are still problems with them. But there is nothing new about that, it has become normal to start selling a product while it is still at some phase of improvement.

Look at MS Widows for an example; it is nearly thirty years old and still does not work perfectly – it is still ‘under development’. The same holds true of auto navigation systems.

And part of the trouble is with the software running the device. Software is a very tricky thing, as Windows proves to its users every day. I am not necessarily criticizing Windows software, it is almost certainly the best of its kind, but then there is no real competition for it and that is a pity for all the usual reasons such as indifference, high-handedness and over-pricing, just look at Windows ‘Vista’. What an expensive pile of rubbish that was.

Needless to say, if Microsoft cannot get their software right, then auto navigation systems cannot either. Therefore, it is important to use an auto navigation device that either regularly updates itself automatically or allows the user to do it manually.

You need the latest bug-patches to the software and the latest updates to the maps. Ideally, the system should update itself every day automatically, but you should do it manually at least before each extensive journey.

The signal is clearly very significant as well. In order to get a fix on your position at least three satellites have to be able to ’see’ your auto navigation apparatus. If a fourth can verify the data, then so much the better.

This means that you may vanish ‘off the radar’, so to speak, if you are travelling under ground or in largely built-up areas. Being tracked by one or two satellites is not good enough, there is no triangulation.

It is rational to assume that if you have a clear view of the sky, then the three or four satellites should have a clear view of you, but it is not an infallible test. The best thing to have with you is still common sense. Do not just depend on your auto navigation system blindly. If you think it is giving you a false reading, perhaps it is.

In this situation, the best thing to do is think about whether you or it is right and check it with a map if you have one. If all else fails, take a bit of advice often made by Windows support, turn the device off, count to ten and turn it back on again – in other words, reboot it.

Owen Jones, the writer of this piece writes on various subjects, but is presently concerned with the Snooper sat nav system. If you would like to know more, please go to our website at Escort 8500.

October 1, 2010

Sat Nav For Stress-Free Travel

There are many reasons why you might be a prime candidate for an auto navigation system: If you drive to new places often, say as a company representative; if the routes that you travel often are always being dug up, if there are frequent traffic jams or if there are lots of traffic lights on it; if you want to circumvent schools or shopping malls or if you just want to find a quicker or a more scenic route to your destination.

Many people would benefit from an auto navigation system, but there are a couple of types of systems so it can be quite difficult to work out which one would be the best to suit your needs. In the rest of this article, we will take a more comprehensive look at these different types.

Sole purpose, stand-alone auto navigation systems are the sort that are normally built into new cars by the manufacturer. However, that is the most expensive way of buying an auto navigation system, so it is worth getting one put in later, because then the cost of the unit does not go on the car’s finance agreement, which would make the sat nav unit very expensive.

These units usually bear subscription charges analogous to a mobile phone. This means that the sat nav unit is often sold for a very small profit, but the company makes its money from your monthly payments for the data feed. It is a very similar set up to the mobile phone deals.

The monthly fees are a bind, but the systems are bang up to date. The information in these devices is updated live and you will be made aware of obstacles or hazards in the road ahead of you within minutes of them occurring.

Multipurpose hand-held navigation units are auto navigation systems that do not offer quite as much detail as the stand-alones, but they can be upgraded by software additions to do the same job if you want.

However, because they are transportable, they can be removed from the car and used in a boat or for hiking or cycling. In other words, the hand-held console is far more flexible.

Laptop or Palm Top based models are designed to run on your computer. They are usually just as capable of delivering as detailed information as a stand-alone system and they are obviously portable too.

If you already have a portable computer then this is just about the cheapest, good set-up. You will get a top of the range, GPS auto navigation set-up on a large, laptop screen for only the cost of the subscription.

Satellite navigation is certainly here to stay, because young people like it. It can also be seen as a safety device for unaccompanied travellers. For instance, if a lone traveller gets lost, there is no need to stop to ask directions or if your car breaks down out of town, you will know where you are in order to direct the service to where you are.

Owen Jones, the writer of this article writes on different topics, but is currently concerned with the Snooper sat nav system. If you would like to know more, please go to our website at Escort 8500.

categories: satellite,navigation,autos,trucks,vehicles,travel,leisure,recreation,holidays,communications,hobbies,travel tips,outdoors,other

September 19, 2010

Thinking About The Correct GPS Auto Navigation System

In order to work out which GPS (Global Positioning Satellite) navigation system (also known as sat nav) is right for you, you first have to be clear on what you want to get out of the device. Will you be utilizing your GPS auto navigation system just in your car or will you be wanting to use it to go cycling, hiking or boating? Another question is, whether you already own a laptop or palm computer or not.

There are dedicated GPS auto navigation systems for every situation and some are flexible enough to cover a couple of uses. The best systems are those that are devoted to doing just one job. In this category, you have the stand-alone vehicular GPS navigation systems. These are either cut into the dashboard or mounted on it or sometimes even onto the windscreen.

One good piece of advice, if you are purchasing a new car on finance is to have the sat nav fitted by a third party or to pay the garage cash for the sat nav and its installation. If you have the price of the GPS auto navigation system put on the finance contract, you will end up paying a great deal more for it.

On the other hand, you could install the device yourself. I do not mean that you should cut holes in your instrument panel yourself, but you can buy mounting kits that use powerful transparent rubber suckers. They will hold the screen securely, as long as you check them from time to time to make sure that the suckers are still holding.

You can get just as good a service from a GPS navigation system running on your laptop and the screen will almost certainly be larger that the average sat nav screen too. Your laptop will run off batteries or an in-car adapter and the software will run within the laptop.

This is an outstanding alternative if you already own a laptop or were thinking of buying one. The laptop will perform its normal tasks as a computer and double as a navigation aid with the added bonus that you do not have to leave it in the car as another reason for a thief to break in.

The cheapest option in the portable sat nav market is the portable or hand-held unit. However, the screens can be rather small and the directions may be given either in pictures or by voice, not all hand-held sat nav systems offer both alternatives at the same time.

If you want a GPS auto navigation system but you are finding them a little pricey, you could always wait a while, because prices are falling all the time. You could also check out online stores such as Amazon and eBay.

Remember, that the worst thing you can do if you are thinking about costs, is to put the cost of the sat nav on the car finance agreement. If you really want a stand-alone GPS auto navigation system installed by an expert, take your car to a garage after you have bought it. Otherwise, install the software on your laptop and place that on the seat next to you.

Owen Jones, the author of this piece writes on various topics, but is currently involved with the Snooper sat nav system. If you would like to know more, please go to our website at Escort 8500.

September 16, 2010

Auto Navigation Systems For Easy Travelling

Are you happy travelling long distances alone? Or travelling to destinations that you are not familiar with? If you are, then all well and good, but there are masses of people who have to make journeys like those, but who are terrified of getting lost.

It is not easy to get a job these days and it will almost certainly get worse before it gets any better, so it is not straightforward to object or risk losing your job. A way around these difficulties is an auto navigation system or a sat nav as many individuals call them.

An auto navigation system is fairly cheap these days and it can relieve lone drivers of a load of stress, if it is used properly. If your car did not come with an auto navigation system, then get one fitted by a reputable third party or go for one of the other options, such as installing the software on a laptop or getting a hand-held sat nav system.

In fact, the dearest way of buying an auto navigation system is to buy it with the car on finance, because you will get hit twice. Not only are the car manufacturers and their dealers the most expensive by a long chalk, but if you put the sat nav on the car finance you will pay even more for it. Heaps more.

Buy your car on finance if you have to, but buy all the accessories independently for cash. Consider visiting a few garages and asking for a quote on the system that you want. This takes a little research first, but it is well worth it. There are two means of going about this: either check out which device you would like first, or see what local technicians can install first.

Once you have finished this research, you will have your cost of installation and then you can go online and find out how much you can get one there for in comparison with the local shopping street.

Another option is to buy an adapter for the cigarette lighter socket so that you can plug your laptop into it and buy the software and hardware as a package so that you can convert your laptop computer into a full GPS auto navigation device.

If you already have a laptop, this is the least expensive, best alternative. It will provide at least as good a system as a stand-alone set-up and the screen may even be larger. It also means that you can remove the device so as not to give criminals another excuse to break into your car.

The cheapest option of all is to get a hand-held GPS sat nav unit. These are also useful, but often they do not offer the same level of service. Like the laptop option, the hand-held device can be taken out of the car and utilized on a boat. However, the hand-held unit can also be used while walking or on a bicycle

Owen Jones, the author of this piece writes on various topics, but is currently involved with the Snooper sat nav system. If you would like to know more, please go to our website at Escort 8500.

September 4, 2010

Various Sorts Of Satellite Navigation Systems

It is a bizarre fact that many buyers of new cars are ready to pay several times the real value of a satellite navigation system in order to have it fitted by the manufacturer. It is true that the car’s manufacturer usually does an excellent job of installing the device, but then you are paying a premium for it.

If you purchased the sat nav unit separately and had it fitted by a third party, you would get it for a third or a quarter of the cost. Still, it is part of the idea of having a new car to have all the latest gadgets built in to it. Satellite navigation, commonly called sat nav, is a real boon, if you buy a system that is up-to-date and that is frequently updated.

It is not necessary to have the sat nav installed in the car factory in order to have it fitted well. Many third party installers are quite capable of making a good job of it too without having to have your radio/CD player taken out.

Many auto navigation systems are fitted to the dashboard by means of rubber suction cups anyway. Buying a sat nav unit that does not have to have holes cut for it will also keep the cost to a minimum without having to sacrifice quality or safety.

An important issue to remember is that there are many types of GPS systems, each with rather specific uses. GPS for an ocean-going yacht does not have to have road maps, whereas GPS for a bicycle may not give enough advanced warning for the speed of a car.

Even if you purchase a GPS sat nav device for a road vehicle, there are different varieties. The three basic kinds are: stand-alone, such as you see fitted at the car factory; hand-held and systems that are meant to be used with a laptop computer or similar device.

The stand-alone systems are the most prevalent, because they have various advantages: they are made for the job of getting you from A to B via C, D and E, if required; they carry a database of landmarks which will help you know that you are on the correct road; a voice will give you directions so that yo do not have to keep looking at the screen and it will memorize and integrate earlier routes.

Hand-held sat nav systems work, but require more thought and sometimes additional software to be provided by the user. The screen is usually too small to be of much use and some only create voice directions. Others only provide graphic directions. However, they are better than nothing if you are walking or cycling in unknown terrain.

Laptops and PDA’s provide an excellent service, especially if you already had the apparatus for other purposes such as office work.

So, it is not just a question of getting hold of a cheap sat nav system and thinking that they are all the same, you have to see it working so that you can weigh up whether it is going to be of any use to you in your situation.

Owen Jones, the writer of this article writes on various topics, but is presently involved with the Snooper sat nav system. If you would like to know more, please go to our website at Escort 8500.

categories: satellite,navigation,autos,trucks,vehicles,travel,leisure,recreation,holidays,communications,hobbies,travel tips,outdoors,other

June 10, 2010

AIS On Boats

The system automatically broadcasts data on a host vessel’s position and speed on regular time intervals via a VHF transmitter. The transponder transmits data about a ship’s position, speed, and navigational status as it moves through a body of water.

VHF signals are often received by other ships by transmitting data about the vessel’s course and speed. The final result provides a visual reference about all enabled vessels that are transmitting within a VHF range. It helps to reduce the chances of collisions on the water by moving water vessels that have the systems. . The data that is received by other AIS-enabled ships is most of the time viewable on a personal computer display or positioned as an overlay on a chart plotter. This will help to verify radar readout.

Ship navigators utilize AISAIS as a navigational tool to reduce the risk of collision and to chart a safe course to travel. Maritime search and rescue operations can be made much easier by automated identification devices that will specify the exact location of the distressed vessel regardless time of day or the weather conditions.

Automatic data exchange allows for real-time adjustments in maritime navigation. The International Maritime Organization requires these safety devices on all passenger and large shipping vessels (over 300 ton) to use the system. People who use recreational boats are not required to use it, however more people are using the technology. Worldwide, 40,000 vessels are thought to be equipped with this special marine technology. The numbers are increasing everyday.

This maritime technology is used primarily to avoid collisions. It is not a perfect system all in itself. There are known limitations of VHF radio communications, not to mention that not all vessels are fitted with the transponders. It really is just an added tool to that helps determine risk of maritime collision. It is definitely not an automated collision avoidance system as specified by the International Regulations for Preventing Collisions at Sea (COLREGS).

During sea navigation, identifying other ships in the area is crucial for captains to make the best decisions on any voyage. That likewise does not mean that all other forms of navigational observation is discarded. There is, of course, visual observation where the captain will frequently use binoculars to find far away objects or ships. There can also be audio observational warnings that a captain must listen for such as sirens, whistles, or VHF radio. Last but not least, there is radar or Automatic Radar Plotting Aid (ARPA) that can provide beneficial navigational details to enhance what the AIS is plotting. Even with all this technology, incidents can still happen. It is often due to time delays and the natural limits of radar or even just plain human error when this occurs. The graphical charts and all the other observational tools must be utilized if water travel is to be safe and AIS is a small part of that.

Visit AIS and read more about AIS

April 25, 2010

A Summary Of Radio Frequency Identification System

Radiofrequency ID system has existed since the 1940s and has in no way ceased widening its range of use. RFID is a system with numerous components. It has semiconductor transponders, readers, and software that allows for consistent data feeds.

An ınner circuit and antenna are mounted directly into all RFID transponders. The IC is then set in with an digital encrypt, distinguishing it from among tagged items all over the world. Once the tag moves within measurement limit of an RFID reader, data from the tag is dispatched from the antenna to the sensor and to the computer system for processing.

RFID technique was formerly applied by military application in World War 2. Since then, it’s been used in different fields of study and commerce. It became a really effective device in commerce, travel, and in the tracing of packages.

Even though it is dubbed as “wireless bar coding”, RFID outmatch simple bar code readers. Through it, scanning will be carried out regardless of whether the tagged object is in the scanner’s line of sight or not. Other advantages feature its capacity to read tags within 90 feet radius.

RFID is an independent determination system. This determination strategy performs without human supervision. It is also able to track numerous IDs in unison and continues to be precise in pinpointing the items.

RFID units are categorized in only two groups. The first kind is derived from its storage and retrieval ability: Read-only or Read-write and Passive or Activated superpower sources. The second category is dependent upon the frequency it makes use of: Low Frequency, High Frequency, or Ultra-high Frequency.

Read-only labels are only able to attain stored data say for example a product description and stuff like that. These systems can certainly easily simplify fabrication and distribution methods. Read-write tags conversely are intentionally made to both interpret and input data.

In a passive technique, an RFID scanner gives off an energy field that sets off and powers the tag. Without getting a scanning device within 90 ft, the ID couldn’t render any data. A passive method isn’t as helpful and is rather inferior with regards to consistency when compared to a dynamic system.

A dynamic system has batteries implanted in tags to assisted in the transmittal of data between tag and scanner. Dynamic techniques are more sophisticated than passive systems and scans larger ranges. Also, they are fitted with extra features like infrared scanning devices and definitely have a longer life span.

Learn more about Automatic Identification System at Radio Frequency Id System

Powered by WordPress