GPS Accuracy

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Part of the video series: How to Use a GPS

What Is a GPS?

Summary: Many GPS's can show an accurate location within eight feet. Learn more about GPS accuracy with expert tips in this free video on car electronics.

Views: 283 | Tags: trips, system, electronics, cars, road, maps, global, positioning, gps, locations

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About the Expert

Jeff Pask Jeff Pask has been fascinated with and using electronic gadgets and devices since he was a little boy. Now, some 40 years later, he has owned and operated hi... read more

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Video Transcript

GPS Accuracy

O.k. so what happens is, the transmitters are up in the sky, the satellites, the defense satellites, like we talked about. Our receiver is watching them and what happens is, it will communicate back and forth with the transmitters in the sky to show our exact position, back here on earth. In this particular model, is usually accurate, in fact it shows right now that we are accurate within eight feet. Anytime that you're within eight feet of your target you're doing, you're doing exceptionally well, you have no issues. So, this is a, this is locked in accurate currently within eight to nine feet, it's varying slightly. And, the government can change that, if there was a threat of some type and they wanted to, they can actually change the accuracy on you and throw it completely off, with no notice whatsoever. It does not happen that often. I've experienced something like that one time in the past seven years and unofficially, I was, I was told that it was because of some type of a threat and that the government threw them off for a couple of hours, and then they came back. It does not happen that often though, it's very accurate. I operate a business with this and I would be lost, I wouldn't a, I wouldn't, it wouldn't be as handy. Reading a map is not the answer when you have this type of device.