GPS Tracking Mysteries: What Is Velocity?

Although GPS-enabled smart phones are gaining ground in the portable navigation market

, the standalone portable navigation device (PND) is far from dead. In fact, today's PNDs sport more features than ever to help you get from point A to point B quickly and safely--features such as audible driving directions with text-to-speech (TTS), spoken street names, real-time traffic updates, Internet connectivity for points-of-interest search, and large easy-to-read screens, to name a few. The reason why GPS navigators are getting to be so popular is because the GPS receiver is going to give any person using a navigator the most reliable and accurate information required by him, when he wants it, where he wants it, anywhere upon the earth.

Data loggers are based on the technique of data acquisition or digital data acquisition. Data acquisition is a process of recording or saving of real world data or measurements into computer format. Various types of signals, temperature, humidity levels etc. can be monitored using data loggers. Data loggers measure such temperature or humidity levels and record them in its non-volatile memory space as a log entry. GPS data loggers are capable of continuously logging their own location history over a extended period of time. Detailed recordings include

1. Time

2. Date

3. Location

4. Speed

5. Altitude

Built in flash memory and battery life allows for data logging over extended period. With these capabilities GPS devices can log their location precisely with an error of around 50m (Error varied from device to device and from terrain to terrain).

These data loggers are gaining popularity among people mainly because of their compactness, their ability to save thousands of track/way points and their preciseness to reproduced saved data. Data can be exported in standard HTML, EXCEL, Google Earth KML, and RTF file formats.

According to definition velocity simply is how many meters traveled per second in a certain direction (unit system may vary). The direction is important because velocity is a vector quantity; vector simply is any quantity with a direction. Velocity can be read in meter per second, kilometer per hour, miles per hour, feet per second and in aviation nautical miles.

GPS navigators together with data loggers gives you wonders of technology, if you have it, you automatically have an edge on latest gadgets navigation world has to offer.

Get the best GPS tracking tools online. Visit Chinavasion or paste this link into your browser: http://www.chinavasion.com/gps-sat-nav/

GPS Tracking Mysteries: What Is Velocity?

By: Rose Li

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