GPS and it?s Competitors

Global Positioning System or GPS is developed and now completely operated by the United State?s Department of Defense.

GPS and it’s Competitors


Global Positioning System or GPS is developed and now completely operated by the United State’s Department of Defense. US possess the exclusive right to shut down or restrict its use at any point of time. From the development of this technology, its been widely used in all over the world for various purpose and now one of the most popular technology of this twenty first century. Though global positioning system is free for civilian use but for commercial purpose one has to pay a considerable amount according to its use.

As it is totally controlled by US, country like Russia had already developed its own radio satellite navigation system named GLONASS or Global Navigation Satellite System. Russia is intended to use it for both military and civilian purposes. Operated by Russian Space Force, now it is used by the military and available for civilians to some extent. The whole system consists of 24 satellites in three orbital planes of which only 12 satellites are in operation now. These are arranged in such a way that 5 satellites can be seen at any point of time from anywhere on the earth. By taking help of the Indian Space Research Organization (ISRO) Russia is planning to have 18 full operational satellites by 2008.

Besides GLONASS, the European Union also has its own navigational system i.e. Galileo and probably this would be fully operational by 2010. Initially involved by German, France, Italy and United Kingdom is under European Space Agency. Now other prominent members of EU including Asian countries like China, Malaysia, Pakistan, Japan are willing to cooperate in this development i.e. intended primarily for civilian purpose. This will provide greater accuracy for positioning service compared to the present GPS.

Though GPS is widely used in all parts of the world, but with the development of these systems will make other independent from US’s monopoly over navigational purpose. The primary motive for developing alternative to GPS is that GPS is solely owned by US military and can restrict or shut down its use in case of any emergency situation like war thereby affecting civilian and other service industries who are based on GPS. However, this will provide competition among these three systems in providing better service, which is a good sign for its user.


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GPS and it?s Competitors

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September 28, 2012

Review: I decided it was fianlly time to get myself a GPS navigation system for my car. I went into the store and had the clerk help me choose one. I had only a few requirements 1) It would have to be something that can be easily moved between cars and could be removed and brought inside.2) It had to be easy to use.3) It had to offer voice prompts.4) The maps had to be upgradable.5) It had to be reasonably priced.The clerk recommended the TomTom Go 300 as the one that would fit my needs. I compared its features with others and decided that it was indeed the one that fit my requirements.When it came to ease of use, I couldn't believe how far along these devices have come. I left the store and got into my car, tore open the box, entered my home address, stuck it on the windshield, and was happily being directed home. Here are what I consider the strong advantages to this unit.1) It's small and extremely portable. The rechargeable battery means that for short trips (an hour or two), you don't even have to plug it into a cigarette lighter in your car.2) The screen is very visible and easy to see. Even when I had it mounted in my convertible (with the top down on a bright sunny day), it was quite easy to see the screen and get directions.3) While I don't expect the directions to always be the fastest or shortest routes (roads do change frequently, new ones are built, map info is inherently out of date), it surprised me by picking out good routes that avoided toll roads.4) It did a wonderful job of recalculating my routes when I left the chosen route and took my own. If there's a turnoff or on-ramp that isn't displayed, or if you know that a certain road will work better for you than what is recommended, by all means, take it. Once you deviate from the path, it immediately calculates a new route based on where you are.5) It's VERY portable. Since it has rechargeable batteries, is small, and light, it's even possible to bring it with you while walking through a city and have it guide you.6) It uses SD cards to store its data. While a hard drive lets you store more data, a hard drive is also very mechanical and can fail more easily than an electronic SD card. Also, SD cards are getting so large now, you can easily (and inexpensively) have one with 2GB of storage (approaching the storage capabilities of hard drives).7) The 3-D navigation view is surprisingly easy to follow. It's wonderfully easy to glance at its screen and see your exits and turns coming up in the distance.I sat back and tried to think of disadvantages to this unit, and here's the ones I came up with 1) I can't comment on durability or tech support. I haven't needed to call tech support yet, and haven't dropped it or abused it in any way to make a determination on durability.2) It has a suction-cup mounting arm that affixes to your windshield very securely. It can be a tad tricky getting it onto the arm. You have to apply it at an angle, make sure it's perfectly straight, and apply more than just a little pressure to get it to snap into place. The arm can be tricky to remove from the windshield should you want to move it to a different car (the arm really grabs onto your windshield and doesn't want to let go).Those are the only faults I can find as I've only used the unit for a week now. But all in all, I found the device to be great. It does exactly what I want it to do (get me to places without having to resort to printed maps from online sites) at a very reasonable price.