Archive for the ‘GPS explained’ Category

GPS Tracking Devices With GSM Tracking Tutorial

Sunday, February 6th, 2011

By Rose Li

  GPS tracking devices are the future! Dump your dusty old map! Forget orienteering! Get with the now, not last century.

These cool, little devices grab signals beamed in from satellites above the planet to tell you exactly where you, irrespective of whether you are in deep jungle or a town centre.

As everyone gets increasingly tech-savvy, GPS tracking devices are now a real contender when it comes to choosing what to pick up on your way out of the house. Keys, wallet, phone and…tracker! Imagine having the ability to monitor your kids’ safety from the office or find your car in a couple of seconds in the airfield car park. Now you can with GPS tracking devices!

Before now you’d be reliant on a phone call or a face to face trip to essentially know where anybody was at any specified time. Naturally there’s 2 Problems with these 2 methods. People can refuse to answer, or maybe lie and you may not have the wherewithal or ability to be well placed to drop in on somebody.

GPS tracking devices take away the worry as they can get left with someone, anonymously or not, and will provide you with their location either on connection to a computer or instantly by sending you a text message using the telephone network.

One of the hottest kinds of GPS tracking devices are those that use GSM tracking. GSM is a worldwide mobile phone frequency employed by most of the big networks. In fact , if you have got a quad-band GSM cellphone then you have a world phone as it will probably work anywhere on Earth!

You would typically expect GPS tracking devices to have nothing to do with cell-phones, but that will be incorrect! As discussed earlier, certain GPS tracking devices can send position updates thru text message and for this they want GSM network connectivity.

simpler GPS tracking devices called data loggers just store info on where they’ve been which you should download later , but devices with GSM tracking permit a load more flexibility.

You’re able to get an update wherever you in the world simply by sending your device a text message. Take this example, you are on holiday and have left your teen child to housesit. You own a Porsche and have told her not to take it for a spin. At just the push of a button you can check that it’s safely on the drive and not speeding up the highway with a group of howling girls within.

perhaps your youngster is going on a school trip. Would it be a relief to understand that they got to the destination in one piece? Now you can.

Your partner has been distant lately and you want to know that when they say they are off to play golfing that they are. Now you can.

The point is that you can track people or objects remotely which makes GPS tracking devices with GSM tracking more convenient! All they require is a SIM card with a bit of credit on it and a charged battery. They can be set up to send updates to yours or whichever telephone number you designate at whichever frequency you define or on request.

Do you have someone or something so valuable in your life you need to grasp where they’re at all points to feel relieved? Then GSM tracking will be a gift from God for you!

Find the gnarliest GPS tracking devices on the web. Come to Chinavasion or paste this link into your browser now: http://www.chinavasion.com/index.php/cName/electronic-gadgets-gps-gadgets/


The Anatomy Of GPS Tracking Devices: Under The Hood

By Rose Li

  GPS tracking devices are popular. Just as the map was a huge innovation one or two hundred years back, GPS devices are this century’s maps! Imagine having the ability to find your location anywhere on earth with just the push of a button? GPS tracking devices give you this amazing capacity!

GPS tracking devices work by receiving signals from a network of 24 orbiting satellites which were launched by the States in the 70′s, 80′s and 90′s for generally military purposes. Like most military technology, it shortly became apparent that GPS devices could have many applications in the civilian world such as maps and trackers.

Like a PC, GPS tracking devices ( and GPS devices generally ) have a central chipset like a processor. This is by far the most vital part within your device as it receives the satellites’ information and gives you your position based on it.

GPS satellites transmit on an especially low frequency and are really distant, so you need to make sure that your GPS tracking devices have got a good chipset in order to get a fast ‘fix’ on the signal and also keep the signal well amongst plenty of other signals and ‘noise.’

There are some good options for chipsets, most outstanding being the SiRFStar III chipset. Here comes the technical part! The SiRFStar III chipset has a feature called ‘massively parallel correlators’ which essentially allows it to receive extraordinarily puny signals well. Since GPS satellites’ signals are weak, this feature permits devices powered by the SiRFStar III chipset to locate your position very quickly, faster than others!

Other good options are the Motorola Instant GPS and global locate Chipsets, both of whom have the massively parallel correlators feature.

If you choose GPS tracking devices without this type of chipset then it can have practical results on your user experience due to their inability to pick up the GPS satellites’ signals well. As an example, if you’re driving in a city the signals can be influenced by the many large buildings around you or if you’re hiking in deep forest or canyon this may occur too. A SiRFStar III chipset or equivalent will prevent this or at the very least improve it a lot.

When you are shopping for GPS tracking devices it’s critical then to double-check which sort of chipset they have. Then judge whether it will be suitable for your purposes. If you use your devices in the town or cover of any kind then you’ll require a SiRFStar III chipset or similar, but otherwise a different kind should be fine, although may be a little slower.

Find the gnarliest GPS tracking devices on the web. Come to Chinavasion or paste this link into your browser now: http://www.chinavasion.com/index.php/cName/electronic-gadgets-gps-gadgets/


Geo-Fence Capable GPS Tracking Devices For Beginners

By Rose Li

  GPS tracking devices are this century’s real discovery when it comes to childcare and looking after kids. Historically parents have lost sleep due to fret about and stress over these two vulnerable groups.

Busy mothers and fathers cannot be with children all the time as they should work, so this can cause fret about whether they are safe.

Teens are a different proposition altogether! They actively attempt to go against their parents’ wishes, skipping class, chilling out with their buddies when meant to be studying and maybe even vanishing.

Taking care of them was a challenge indeed for mums and dads in the past, but that was then and this is now and parents have a new weapon in their arsenal, GPS tracking devices.

These are becoming increasingly well-liked the more well known they become, because parents are seeing that the power to know their kids’ location at any time and be well placed to stay in contact in a critical situation thanks to SOS calling is a bonus indeed.

There is another function of GPS tracking devices that parents should think about though, geo-fences.

A geo-fence is a pre-defined area that is around one point. If the GPS tracking device goes out of this area then the user will be notified with a message.

It’s straight away clear that folks could outline an area around their home or neighbourhood so as to keep control of the youngsters. If they did happen to stray outside of this boundary a straightforward text message would be sent to the parent who could then see where they had gone actually.

For younger children GPS tracking devices could just be attached to their backpack or coat, but thankfully these devices are truly little and so might be concealed from the far more sensitive kids very easily.

If you are selling these devices it’s important to clarify how they work to consumers.

These devices will mechanically receive location thanks to satellite signals coming from overhead, but in order to send alerts they need to have a SIM card which is kept charged with credit. One also has to be acquainted with map software,eg Google maps, where the trackers’ location can be found by typing in the coordinates given by its alerts. The battery also needs to be kept charged as well!

GPS tracking devices with geo-fence capability will also have their own mapping software which must be used to line up the boundary. This is really easy, but since it varies per device you as the vendor must be prepared to give some categorical advice in order to offer reasonable customer service.

Customers using GPS tracking devices with geo-fence to keep watch on their youngsters of any age will have to be conscious of signal radius ( which will affect how gigantic their geo-fence can be ), battery charge lifespan and GPS chipset.

If the device’s battery is weak then it limits how long the kid can be tracked for and the same can be said for the chipset which is the brain of the gadget. If the device loses the GPS signal you will not be well placed to track the kid and so the chipset’s capacity is critical too.

Size is also an argument as it is important for the device to be subtle or, better, invisible as kids and especially teenagers may not welcome being tracked!

If you’re a parent who fears about their children’s safety or whereabouts then GPS tracking devices with geo-fence can now give you the reassurance that you’ve been looking for, regardless of if you’re at work or on business in another town!

Discover top value GPS tracking devices plus geo-fence ability on the web. Come to Chinavasion or paste this link into your browser now: http://www.chinavasion.com/index.php/cName/electronic-gadgets-gps-gadgets/

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GPS Tracking Watches At Work

Saturday, February 5th, 2011

By Joe Mueller

  GPS systems work around the basic principle called trilateration. Trilateration uses the known location of a transmitting device and the distances between these devices and the person using their GPS device to calculate the exact position of the receiver. This is very much like the more widely know triangulation, except that trilateration does not use angles at all in its calculations.

To better understand how this works imagine that you are standing at a some point int he middle of nowhere. You have no idea how you got there and all you have with you are the clothes on your back, enough food and water to travel for one day, and a GPS device. You wake up wondering where you are and you look at your GPS tracking watch and read that you are at a certain latitude and longitude at 10 feet above sea level. How does you GPS know so much more information than you?

Well, traveling 12,600 miles (20,200 km) above you is a system of 24 satellites maintained by the US government that are constantly transmitting microwave signals at the speed of light. These transmissions contain information read by that watch on your wrist – information used to accurately calculate your position on the surface of the earth. The basic information contained in these messages is the time at which the signal was initiated by the satellite and the satellites position. The distance between the receiver and the satellite is then calculated by multiplying the speed of the signal by the time is took to get to the receiver.

So your GPS device has invisible, silently, and quickly calculated your position, but what is that going to do for you in the hypothetical situation outlined above? Well, if your GPS device is simply a data logger (the simplest and most widespread GPS application) then you are still just as hopelessly lost as you where when you woke up. With no map you could head out in the wrong direct and end up dying a painful, horrible death alone in the wilderness – yuck.

But if you had a data pushing GPS device you can sit back and relax because you know that your device not only knows exactly where it is in the world, but it also is transmitting that information to a central database for the good guys (family, friends, or authorities) to see. They will know where you are to within 500 feet. The is pretty close. With a data pushing GPS device you can find some shade and rest in mother nature until the rescue team arrives. In our hypothetical situation you want a this type of GPS device.

It is important to note that each type of GPS device has its own application and use. For most people in most situations a data logger will do just fine. It tracks where you have been and has applications in hiking, biking, and running. But for situations where someone else would benefit from knowing your location – in tracking down a stolen vehicle, knowing the whereabouts of a child, or finding a lost hiker – than you definitely want to invest in a data pushing GPS device.

Joe teaches people about GPS tracking watches and about how to get kids to use their kids GPS devices.

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Call For Help! GPS Tracking Devices With SOS Capability

Tuesday, February 1st, 2011

By Rose Li

  GPS tracking devices are this century’s way of finding out where someone or something is. Rather than checking an old map or A-to-Z, these fascinating small devices can offer you detailed coordinates no matter where they are thanks to the signals that they pick up from the enormous network of GPS satellites surrounding the Earth.

GPS tracking devices are popular with elders, adult youngsters and carers around the planet as they supply what’s in effect a second set of eyes. When considering the people above who are looking after children or the elderly, they don’t need to follow these susceptible groups like spies, however there are several reasons that explain why they would wish to know where they are and have contact with them.

Youngsters are at risk of kidnapping, accidents and simply wandering off ; while the old are in a similar way susceptible to accidents, sickness and robbery.

Many family members and carers can’t be there twenty-four hours per day to look after these folk as they may have their own families or other commitments like a job, so ways to keep assurance that these groups are alright?

GPS tracking devices with an SOS button are the ideal solution here. Everybody knows that GPS tracking devices can supply their position, but those with an SOS button utilise a SIM card and the telephone network to permit the holder to send an emergency text including the coordinates at that time to one or two key telephone numbers ( like parents or a nurse ).

GPS tracking devices with SOS button work as a type of basic phone. You may not be well placed to call them, nor they you ; but they can connect to the network to send an emergency SOS message. This is as they’ve a GSM SIM card inside and keep connected to the phone network like a mobile phone. In simple language in an emergency, push the enormous red button* and then the tracker will send for help. * ( The button might or might not be red ).

Almost everybody has mobile phones these days, so you might ask why this SOS function would even be necessary, however the rate of uptake of mobile phones between the aged and youngsters is among the lowest. The former as traditionally elderly folk are not very enthusiastic about mobile phones and the second because many mums and dads don’t love their kids to have a cell telephone.

If that’s the case then how can these folks contact us in an emergency?

GPS tracking devices with SOS buttons kill two birds with 1 stone, allowing worried family members to know where their loved-one is, and also to know that they can be reached in an emergency.

Children and the elderly can also take to these GPS tracking devices well as they are miniscule, keyfob-sized devices that are neither intrusive nor tough to use. All you need to do is turn them on and set up the relevant emergency contact’s number to receive the SOS message ( customarily simply a case of sending the device a message with the emergency contact number ) and you are good to go. The user just should be in a position to push the button.

If you have aged relations or youngsters, then GPS tracking devices with SOS buttons are a great option when it comes round to keeping them safe and getting peace of mind for yourself. Financially they are far cheaper than a mobile phone and come without the risks of high bills or tasteless use.

Find the gnarliest GPS tracking devices on the web. Come to Chinavasion or paste this link into your browser now: http://www.chinavasion.com/index.php/cName/electronic-gadgets-gps-gadgets/


GPS Tracking Devices Tutorial: Data-Loggers

By Rose Li

  Do you ever stop to wonder where someone has been? Do you want to grasp without them finding out? Can you keep a secret? GPS data-loggers are one variety of GPS tracking devices that will be excellent for you then!

Thanks to the power of technology GPS tracking devices are a useful help to today’s gizmo lovers. They receive the signal from a series of satellites and can use this signal to grasp where they are on Earth! It is precise, fast and convenient as they dispense with the need for old-fashioned maps, compasses and other items that should have been binned last century! Just the touch of your mouse button will give you your exact position in the world down to a metre or so!

GPS data-loggers are one branch of the GPS tracking devices family tree. These units receive positional signals from the satellites, same as any other GPS device , but deftly store them ( or log them ) so it may be possible to see where they have been later .

In this way they’re the perfect PI, but without the high fees and dubious methods. They tend to be really small, simple devices that are built mainly around the GPS receiver and some memory for the information. Then youjust link them to your computer and upload the data picked up to see where they’ve been. Straightforward!

In fact GPS data-loggers are justa one-time cost, as they require no subscription and no phone credit at all. Why are they a perfect PI? These devices are small, really tiny. You might simply slip one into a car’s glove box, somebody’s handbag or a coat pocket and nobody would ever know! Just grab it at a later point and then you’ll be able to grasp exactly where it and the person in question has been.

If you are not in a hurry then GPS data-loggers are good as you relax, let them do the work and then get their info later at your convenience.

But if you need speedy updates on somebody or something’s location, then you’ll need to consider a rather more pricey real-time GPS tracking device which can update you on its coordinates at any time by employing the telephone network.

You must also remember that GPS signal is likely to be influenced by metal, so think about if you need to track something under a solid metal object!

Suspicious better halves of the world unite! Now you have GPS data-loggers on your side, a chum to anyone that needs to discover where somebody or something has been retrospectively!

Find the best value GPS tracking devices with data-logging on the web. Come to Chinavasion or paste this link into your browser now: http://www.chinavasion.com/index.php/cName/electronic-gadgets-gps-gadgets/

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