### Top 5 ways to be a better fleet manager

The most important quality for a fleet manager is efficiency. Let’s look at how

Do you know how our ancestors navigated?

They erected beautiful monuments, read the stars in the night sky, drafted and read laboriously detailed maps just to navigate to a place. Fortunately, we don’t have to go through those extreme measures like our ancestors did, to keep from getting lost. That’s a big-big advantage. We are in a physical-growing, internet-enabled age. We put technology to its best possible use to improve the life that surrounds us.

Here is the most fundamental explanation of how a **GPS tracker **work.

GPS, as you might know, means Global Positioning System. It works with the help of constellation of 27 solar-powered satellites (24 are needed to make it operational, another 3 acts as an emergency reserve) orbiting around the earth at an altitude of 20000 Km. The arrangement is such that anytime, anywhere on the earth there are at least three satellites in the visible sky.

A **Vehicle GPS tracker** locates three or more of these satellites, calculates distances to each satellite and then uses this information to deduce it’s own location. The mathematical concept behind it is called trilateration.

Let's visualize a **trilateration**. Imagine you're somewhere in India and you’re totally lost. You ask a guy for help, he tells you that you are 30 Km away from Gurgaon. This tells you that you’re on a circle around Gurgaon that has a radius of 30 Km. This is not particularly useful. So you ask another guy who tells you that you are 40 Km away from Ghaziabad, you get another circle around Ghaziabad that has a radius of 40 Km, now you’re getting somewhere. If you combine the two circles, you know that you could be anywhere on the intersection points of these two circles. You still don’t have the exact location, so you ask one more guy and he tells you that you’re 25 Km from Noida, this gives you another circle around Noida that has a radius of 25 Km. This third information eliminates the guesswork for, the intersection of these three circles, which would always be a single point, would give you your exact location - **New Delhi.**

This same concept is extended to satellites. This starts with getting the location of the satellites and then the distance from each satellite to you ( **GPS tracking system**). It takes the job of figuring out the location of at least three satellites by analyzing the radio signals being transmitted from GPS satellites. The tracker can then figure out how far a signal has traveled by timing how long it took the signal to arrive (being radio wave they travel at the speed of light), here you got the distances to each satellite. As explained earlier, each satellite can now be viewed as a circle with the radius being the calculated distance from the respective satellite to you and, the intersection of these circles tells you the exact location. **What else can you get out of this process?**

How far you've traveled? (Sounds like odometer!)

How long you have been travelling?

Your current speed. (A speedometer?)

A trail on the map of the places you have been and the route taken.

Estimated time of arrival to your destination, if you maintain your current speed.

That's a vital and incisive sum-up of the information that you should be using for your fleet business, if any.

Learn more: How a right **GPS tracker** can help grow your fleet business?

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