You have probably heard about GPS tracking and navigation technology. But how can you personally use it Cheap NFL Jerseys Wholesale , as well as how exactly does it function. Understanding the fundamentals of this usefeul technology will help you reach an informed decision when it comes to purchasing a unit that’s a good fit for your specific individual or business needs.


GPS tracking has become very common in the past few years. Previously too costly for the everyday person, the technology was originally designed for law enforcement agents to track crime suspects. Nowadays, everyone from parents, to business owners Cheap NFL Jerseys Online , and scientists are utilizing GPS tracking in a variety of different applications ranging from ensuring their teenage driver’s safety, to tracking the migration of birds or other wildlife.

The Essential Elements of GPS tracking Units

The GPS tracker, short for Global Positioning System, is an electronic unit that determines the approximate location of a human subject Cheap NFL Jerseys Free Shipping , vehicle, or other moveable assets using satellite, cellular (aGPS), or radio waves. In its most fundamental configuration Cheap NFL Jerseys From China , a GPS tracker device typically communicates with multiple satellites in space. From space, the various satellites triangulate the tracker’s approximate location. That means you can put a GPS tracker in a totebag, car, or on a person and find their location..


Depending on the sort of GPS tracking device you choose Cheap NFL Jerseys China , the locations the unit travels are either recorded within the tracker itself to provide a historical record of just where the device has been, or with a real-time tracking device, the location information can be transmitted to a central database or your own Internet-enabled PC or laptop in real-time, each time the unit relocates. Originally popular among law enforcement agents Cheap NFL Jerseys , many businesses now have adopted the tracking to streamline operations and now also by families to keep an eye on their loved ones.

Comparing Real-Time v. Passive GPS Trackers

There are two basic types of GPS trackers: real-time and passive.

Real-Time GPS Tracker

Like all trackers, the real-time GPS tracker constantly sends digital messages to space satellites so they can triangulate the tracker’s approximate location. the element that makes the device real-time is simply that the unit sends all data to the Internet database continually in real-time, where you can get on and monitor the tracker’s movements. Most systems also offer other key data such as time, place Cheap Jerseys Wholesale , and how fast the tracker is traveling. Originally primarily used by law enforcement agencies tracking criminals, this technology is now common to employers tracking company vehicles as well as average people tracking their teen drivers or their family car as it moves.

Passive GPS Tracker

The other main kind of GPS tracker is the passive tracker or GPS logger. Similar to a real-time device, these devices constantly communicate low space satellites, but Cheap Jerseys Online , instead of transmitting the tracker’s location in real-time, passive GPS deveices store location points within the unit itself. When you are ready to see exactly what locations the tracker has been, you then download a saved record of all places visited. This is perfect for law officers during investigation, or perhaps someone who loans a vehicle to an employee Cheap Jerseys Free Shipping , or family member and needs to check that they actually took the car where they said they did.




BEIJING， April 12 (Xinhua) -- A team of zoologists have recorded sighting of a number of rare species during field research in the forests of Xishuangbanna Dai Autonomous Prefecture in southwest China's Yunnan Province.


Feng Limin of the Chinese Felid Conservation Alliance described how his team had observed 23 rare species， including the Williamson's mouse-deer (Tragulus williamsoni) and the Asian golden cat (Catopuma temminckii). Some have not been seen in the area for decades， he said.


The field research， which started last year， covers the natural forests of Xishuangbanna Dai Autonomous Prefecture of Yunnan.


The mouse-deer， an endangered species enjoys