GPS Tracking System: an Innovative Mapping Technology

GPS tracking system is generally used for determining the precise location of a person or vehicle with the help of global positioning system. The location of the vehicle or person can be recorded at regular interval and is either stored in the tracking unit or transmitted to an internet connected computer or to a centrally located database. This has been possible due to satellite, radio or cellular modem that is embedded in the unit. GPS tracking system is a network of satellites orbiting the earth, which transmit location data back to earth incessantly. GPS tracking system can be used to locate any object on the earth. The main use of GPS tracking system is to find out the location, to provide navigation information for ships and planes and it also helps in creating maps and models of everything in the planet.

The working pattern of GPS tracking system is quite simple - 24 satellites orbiting our earth are used for the GPS technology. Each satellite transmits radio signals which can be received by GPS receivers to determine location, speed and direction. Once these satellite transmissions are received by the GPS receiver, location and other information such as speed and direction can be calculated. A GPS receiver needs to receive transmissions from at least three or more GPS satellites to calculate position of anything quite effectively. GPS receivers usually measure the time delays between the transmission and reception of each of the satellites GPS radio signal. There is no doubt that that the GPS tracking system makes travel easy, free of worries and thoroughly enjoyable.

GPS tracking system not only lets to know the exact location of any object, but this device can also maintain the time duration for which the object remains stationary and the velocity with which the object is moving. This device is extremely helpful for the tracking of vehicles, fleets, assets, and other valuable objects. Its growing popularity and increase in the number of usage has made the device easily accessible for small organizations and individuals. Small organizations are using this device to monitor their employees and assets. The device which was once used by corporate houses is now within the reach of many.

GPS tracking system not only offers safety, but also helps a person to drive more efficiently, which further helps to economize fuel expenditure. Moreover, one can save time by reaching the destination earlier as he is guided of the correct route and path. The individual also gets benefit from this system in the form of reduced auto insurance policy cost. In fact, installation of the GPS tracking system in a vehicle reduces the cost of auto insurance premium. It is also used in a number of other activities like camping and hiking, not to forget to mention its impeccable statistical analysis delivered to operators in terms of location, speed, direction and other information.

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Tips When Selecting A GPS

GPS devices are sure to be one of the top gifts for the holiday season, whether it's for dad to use on his boat, the wife for her car or your brother for his hiking expeditions. A GPS is so much more than "just a map." While the features vary greatly, on some GPS systems you can look up restaurants or gas stations, play "Amazing Race" type games, reroute your commute around traffic jams and listen to satellite radio.

"Garmin is founded on the principles of innovation, convenience, performance, value, and service," proclaims the company website. In fact, Garmin, which has been around since 1989, is the most well-known North American brand name in Global Positioning Systems today.

Based out of Kansas, no part of the manufacturing process gets outsourced, as the company designs, manufactures, markets and sells all of their products themselves. They offer GPS navigation systems for all different lifestyles, such as fitness-based systems, automotive GPS systems, systems for hikers or campers, aviation technology, marine technology and site navigation for geocachers.

In addition to Garmin, Magellan is another leader in GPS systems, with their Magellan Maestro 4250 being the most popular GPS model, which ranges from $90-$279 online. Dutch Manufacturer TomTom was founded in 1991 and employs over 3,500 people worldwide. Their most popular navigator is the TomTom ONE XL 330-S (starting at $249), which has a wide 4.3" screen, customization options, search by zip code functionality, text-to-speech, multi-destination routing, emergency locator service and the ability to search for points of interest near your current location.

Lastly, the Navignon 2100 Max Portable Navigator (starting at $248.35) can help you find hospitals, pharmacies and roadside assistance, while also offering text-to-speech, lane assist and reality view maps.

When buying an auto GPS device, look at how many "points of interest" are offered. Anything less than 2 million will be frustrating, whereas the ideal number is around 6 million. Next, check for screen size. They range from 2.1 inches all the way up to 7 inch.

If you plan to use your GPS while walking, you'll want something smaller, whereas the 7 inch is best for an RV. For cars, the Garmin nuvi 680 is an ideal 4.3 inch. You'll want something with good functionality that allows you to switch maps or search points of interest with a button tap or two.

Some of the newer, more advanced GPS systems include things like text-to-speech, multi-destination routing, satellite radio/audiobook player/MP3 player capacity and Bluetooth speakerphone capabilities.

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GPS: Tips to Enhance your GPS’s USE

Who needs a map now that the cost for a GPS, global positioning satellite, has come down to the point where you can pick one up for under $150? In fact I was at the Target the other day and saw a Tom Tom© for $119. That’s a good price for a known name brand.

If you are going to invest in a GPS because either you and the family go on a lot of road trips or maybe your job requires a lot of driving, then follow some of these tips below to make for easier, better and safe use.

GPS Theft
The last thing you want is to go out to your car or truck and find that your GPS is missing. If you leave your GPS out in the open where everyone can see it, I don’t care what part of the world you are in, someone is going to take it. So do yourself a favor and deter the theft of your GPS system by detaching and removing it from your vehicle when you are not driving. Also your GPS probably came with or you bought separately a suction cup holder which holds the GPS in place while it is in use. Take that in with you as well. That screams to an expecting thief that you own a GPS and they might break into your vehicle looking for it even though it may not be in there.

Software Update
Your GPS uses software in order to calculate all of those routes and directions. The first time you use it, it also needs to locate the satellite system and update your device. The best time to do this is on a clear sunny day. Done right and it should take about 20 minutes so it is recommended that you update your GPS information right before you are about to leave on that long road trip.

Directions
Yes GPS’s are cool and neat, especially when the voice is telling you to go left and go right, however it is still a computer system with some software and not a live person. So in order to get the greatest benefits from using a GPS enter in as much information as possible for your starting point and your destination. The more information you feed it, the better directions your GPS will give you.

Maps
Most brands of GPS systems offer a once a year (maybe more often) option to update the mapping software. Before you get all excited, these updates aren’t free and depending on the brand of GPS you own, they can run anywhere from $25 to $100 or more. The roads in this country are always changing and if you go on a lot of road trips don’t be cheap. Spend the money and get the map update for your GPS.

As you can see this tips will go a long way in helping you to get the most out of your GPS system. Use common sense with your GPS and understand that it is still a computer system and you will be sure to have much success with it.

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GPS Can Track Anything

GPS has long been used for fleet tracking by businesses and the military, but now this technology is making its way in our homes in an ever increasing fashion.

The first on the scene with GPS navigation units. These small, compact devices fit inside our cars and helped us find our ways out on the highways and streets of our towns and communities. At first these gadgets were large, pricey, and hard to get. Today, millions upon millions of units have been sold and many Americans enjoy the ease and comfort of computer aided navigation for a relatively reasonable price.

After navigation units came GPS small enough to fit inside cell phones. Mobile providers were required to provide tracing technology in all there phones in the early 2000s, and many companies went with GPS tracking chips over using a cell tower based strategy. This then led to a boom in cell phone GPS.

Navigation technology is now integrated into cell phones. You can track your spouse, teen, or child with their cell phone for relatively nominal fee - around $5 a month. You can even use your phone to get housing quotes at your location!

The most interesting thing about this proliferation of GPS technology is that the same thing is going on whether you are tracking a fleet of vehicles or your teen driver - trilateration.
Trilateration is a mathematical principle that takes the known location and distance from three or more objects and calculates the your location. Both GPS fleet tracking and kid tracking work exactly the same way.

A satellite circling the earth in geosynchronous orbit emits a signal that gets picked up a GPS unit. As the unit collects more and more signals from these satellites it plugs them all into a math equation that tells the device's computer where the unit is.

If the unit is a data logger, it takes the position information and stores it in its database and displays the information to the user if it has a visual display. This is your more traditional GPS navigation units.

If the unit is a data pusher, it takes the position information and sends it out via cell phone or radio signal to a central processing center where the information is stored for access via the Internet. This is real-time GPS tracking.

Both types of tracking have their advantages and disadvantages and should be applied in their own special situations. For example, you certainly don't want a data logger if you are trying to get real time information on your teen's driving habits are are trying to keep your child safe from predators. You also are not going to need or want a real time tracking solution for car navigation (unless you are a business too). It just doesn't make sense.

We probably have not even begun to scratch the surface of all the things that can be tracked with GPS as a society, and we have already used it to track many strange and incredible things.

People have even used it to create art! Only time will tell what we will use GPS tracking for next.

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PDA Memory Cards - 7 Tips On Using Them To Improve You Bridge Media Experience

PDA Memory Cards are a very popular means of immediately enlarging the memory capacity of a PDA. Most of the PDA Memory Cards that are in use today are of the SD memory card format, and their capacity ranges form 16MB to 1GB. The 2,4 and 8 GB cards are now in development, and are expected to penetrate the market during 2007 and 2008. Quite impressive for a memory card the size of a post stamp. The use of an SD memory card is great for installing additional software on your PDA, or storing more data on it. But it also enables your PDA to participate in what’s called "The Bridge Media" concept that the SD memory card creators had the vision for.

The meaning of Bridge Media is that the SD cards can offer a way to connect many sorts of appliances trough one small memory card, without the need to use any interpretation.

Let’s look at an example:

You shoot a video clip with your digital camera. You will store the video clip on your SD card which is supported by the digital camera. After that, you can take the memory card out and plug it into your PDA. The video clip is immediately shown on your PDA, without the use of any other device. You didn’t need your PC’s intervention in doing this - both your digital camera and your PDA know how to read and write data to and from an SD card.

The nest thing you can do is, say, change the video clip is some way sing your PDA (like adding titles). You can than save the new video clip to the memory card and take the SD card to a video camera. The video camera can now read the new video clip and display it on it’s screen or on your television.

Here’s another example:

You have an important phone call on your cell phone. Your cell phone supports SD memory cards so it’s able to record the call. You can later save the phone call audio file on to your PDA memory for future use.

As you can see the possibilities are endless, and memory is something you can easily move from one appliance to the other thanks to the flexibility of PDA Memory Cards

Another thing to remember is that the DS memory cards have very fast read/write speed of X133. This is possible due to the fact that no physical component are active in the read or write process, and the memory is completely electronic.

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Essential Spring Break Gadget Guide

Best Gadgets To Take On Spring Break

As the Beatles said “…it’s been a long cold lonely winter..,” but now here comes the sun and off you go. Whether you're taking the kids to Disneyland or taking a break from college to go to Florida you’ll probably end up taking along a suitcase full of gadgets.

To help you find the best gadgets to use on your break, Retrevo analyzes reviews and ratings for thousands of consumer electronics products like GPS , Laptops, Camcorders, Digital Cameras from manufacturers like Garmin, Toshiba, Sony, and Canon. Here are some recommendations to make your adventures more fun and memorable.

High Definition Camcorders

If you’re thinking about buying a new camcorder you might as well go high definition or at least wide screen. You can get camcorders that record to good old tape, DVDs, flash memory, or hard drives. If you’re planning on doing serious video editing, tape may still be the way to go since applications like Premiere and Final Cut have been slow to embrace AVCHD the replacement format to miniDV.

The Canon HV-20 at $700 is still an all around good value. Canon recently announced its successor, the Canon HV-30 which offers a few minor enhancements including an improved LCD screen.

If you can afford $1400 you can get the latest and greatest camcorder from Sony, the Sony HDR-SR12 1080p which has a big 3.2 inch LCD screen and stores AVCHD video to a 120GB hard drive it should be available in March.

The new Panasonic HDC-SD9 stores 1080p AVCHD formatted video to an SD flash memory card. It offers image stabilization and face detection technology which makes it harder to take a bad shot. It will also be available in March and should sell for around $1100.

For portability you can’t beat one of the new super compact handheld HD camcorders like the Sanyo Xacti HD1000, which shoots 4MP pictures or 1080p video. Users say image quality is very good but the grip is a bit bulky. It sells for around $650. Sanyo also has a waterproof variation that stores non-HD NSTC video or 6 MP stills. It costs a little over $400. Aiptek has a 720p, 5 MP pistol grip handheld, the Aiptek A-HD that sells for a very reasonable $150.

If you prefer to wait a few months the Samsung SC-HMX20C is due out in June. It has a 2.7 inch touchsrceen and records 1080p, on 8 GB of flash memory. It also has an SDHC memory card slot for additional storage.

Very Cool Helmet Camera
In case you want to capture the action from a closer point of view, you should consider this helmet mounted camera that stores video to memory. It’s weather proof and ruggedized so you can use it in the snow or rain. It's an impressive piece of engineering and sells for around $325.
You don’t have to live in Colorado to use Garmin’s new handheld GPS . The Colorado 300 is a handheld unit with a color display and lots of extra travel-friendly features like an MP3 player and book reader. Garmin announced new products at CES including the Garmin nuvi 260 and the Garmin nuvi 850 but last years models like the Garmin nuvi 360 or the Mio C520 can offer some very good values at prices under $300.

Universal Chargers
There are many products you can buy to charge your gadgets. We like the Solio hybrid solar chargers that have a built-in storage cell that can be recharged from the wall or the sun and then makes that power available to many different devices. The Solio Portable Hybrid Solar Charger and the new Solio Hybrid 1000 can both be purchased for under $100.

Lenmar sells a universal power pack the PPU1700W that can recharge devices like iPods through a USB connector. It’s great for keeping an iPod going for an entire long plane ride and can be purchased for around $30.

If you're still carrying around that 1 MP camera or you just never made the switch to digital there are some good values in digital cameras. If you want a professional SLR camera Retrevo recommends the Nikon D300 as the best overall value in digital cameras. It’s a 12 MP SLR that gets very high expert ratings and great user reviews. The Canon Powershot A560 can be purchased for around $130. It’s a 7.1 MP compact camera with a 4x optical zoom and face technology but no image stabilization. A step up from the Powershot A560 would be the Nikon Coolpix 5100. It has optical image stabilization and gets very good reviews but is a bit on the pricey side at $300.

iPod Boom Box

There’s a good chance most travelers will be carrying an iPod or other MP3 player wherever they go. To get a party going wherever you may be, an iPod Boom Box might be a good idea. The Griffin Technology Journi is a good candidate. You can buy it for under $100. It has a rechargeable battery that lasts for 8 – 10 hours on a charge it can also be powered by a USB port and gets good user reviews. Altec Lansing has the inMotion iM600 for around $100. It gets very good user reviews, uses some engineering tricks to make the speakers seem further apart, and even has an FM radio built in.

Book Readers

Two popular readers using electronic paper are Amazon’s Kindle and the Sony Reader. The Sony Reader PRS 505 can be purchased for around $300. The Kindle which includes high speed 3G internet access for downloading books and browsing the web sells for $399. The Kindle has received mixed reviews due to some ergonomic issues but gets many rave reviews as a groundbreaking product. Books cost more to purchase on the Sony reader and you have to go through a computer connected to the internet to download them but the Sony gets good marks for style and usability.

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