Bob Dylan Could be New sat-nav Voice
Music legend Bob Dylan is “talking to a couple of car companies” about becoming the voice of their GPS system.
The singer-songwriter discussed the possibility on his BBC Radio 6 Music Sunday show which was on the theme of street maps.
Renowned for his raspy, nasally tones, the 68-year-old American gave his listeners a taster of what his directions might sound like.
“Left at the next street. No, right. You know what? Just go straight.”
He continued: “I probably shouldn’t do it because whichever way I go, I always end up at one place – on Lonely Avenue. Luckily I’m not totally alone. Ray Charles beat me there.”
The normally reclusive Dylan, whose hits include Blowin’ in the Wind and Like a Rolling Stone, admitted he does not normally like telling people what he is doing.
His Theme Time Radio Hour is on Mondays at midnight. The singer is currently on hiatus, and this week’s show was a repeat. His comments had not previously been reported.
Comedian John Cleese is one of several celebrities who have already lent their voices to sat-nav devices.
Other sat-nav voices include Susan Skipper, who appeared as Nigel Havers’ posh girlfriend in the 1980s sitcom Don’t Wait Up; and Eve Karpf, who voice-dubbed the famous line: “Monsieur, with these Rocher you are really spoiling us” in a chocolate commercial.
Original Source : BBC News (August 25, 2009)
How Does The Car Sat Nav Works?
By Yenie S. Darian
Car Satelite Navigation
The Car Sat Nav or car satellite navigation now has revolutionized. Satellite navigation devices are now fitted in almost every vehicle such as airliners, boat, taxi drivers, couriers and the family car.
Navigation like car sat nav is just one of the main uses of GPS. To make travelling comfortable and trouble free to find unfamiliar destinations, car sat nav GPS pin point locations from space.
Sat Nav or satellite navigation relies on a constellation of satellites known as GNSS (Global Navigational Satellite Systems). And the Global Positioning System (GPS) is only one fully functioning GNSS in the world today.
GPS has a constellation of more than 30 satellites. For accurate navigation, at any one time at least three or four of these satellites are overhead. The GPS satellites each have onboard an atomic clock that use the resonance of an atom (the frequency at particular energy states) which makes them highly accurate, over a million years not lose as much as a second in time. It is really unbelievable precision that makes car sat nav possible.
The satellites relay a signal from the onboard clock that consists of the time and the position of the satellite. Then, this signal is beamed back to earth where your car’s sat nav retrieves it. The computer in your GPS system will result exactly where you are on the face of the earth by calculation how long this signal took to reach the car and triangulating four of these signals. It is only required three signals on a ‘flat’ earth and four signals if the elevation changes.
GPS systems can only work as a result of the highly precise accuracy of the atomic clocks. GPS systems signals are relay at the speed of light and accuracy of even a millisecond. It could adjust the positioning calculations by 100 kilometers as light can travel nearly 100 kilometers each and every second, although currently GPS systems are accurate to about five meters.
As I was writing the above article, it struck me that you may be interested in reading this too: How To Choose The Best GPS Systems (3) – Now What Do I Choose? and The Review of Magellan GPS Receiver I hope you find it useful.
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