GPS

The purpose of this article is to give you information about a few devices for GPS that you will need to take the full advantage of this fantastic invention. The devices you need will depend on what you are going to use your GPS for.

In case you didn’t know, GPS is an abbreviation for Global Positioning System and is a global navigation satellite system originally created and developed by the United States Department of Defense. It is only functional global navigation satellite system in the world and it can be used freely by companies and private persons worldwide. The use of GPS has increased the recent years, mainly for navigation and tracking purposes.

A few GPS devices are described below.

Receivers

The basis of the GPS system is 24 GPS satellites in six orbits around the earth. GPS receivers are tracking information from these satellites and compute this information. The output of this computing is your location as well as the bearing, distance and time left to reach a certain destination plus a few other route options. Satellites are tracked continuously so the information they generate are always in real time. The more satellites receiver devices for GPS can track, the more advantages, such as

- Better quality reception
- Quicker cold start
- Regular initialization
- You don’t have to add an external antenna if you use it in an open vehicle

Resolution

The higher screen resolution your GPS has, the more clearly you can see and there is no doubt that this is a great advantage in bright daylight. High definition models have color screens and will also provide information about weather and the actual terrain.

Memory

As with computers, the more memory you have, the more your gps tracking device can do and do it faster. With more GPS memory space you can store more route information and waypoints. You can also get GPS Units with software that can transfer data to a PC, thus storing more data than the GPS unit has to hold. So find out how much map data and information you wish to store and then select GPS units with accordingly memory space. There are memory models with all sizes of built-in memory space.

External Antennas

In general there will be weak signals in any locations that don’t have a good view of the sky. The purpose of external antennas is to provide stronger signals. When do you need that? Let’s say you have a transport vehicle and the GPS tracking system cannot be placed near a window, the signals will be too weak but an external or a flip up antenna will solve the problem.

Well, this article describes only some of the devices for GPS%that you can use depending on what you want to accomplish with this fantastic tool.

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This entry was posted on Sunday, May 10th, 2009 at 2:57 am and is filed under Technology and Gadgets. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.