Best Masterclock Price in Dubai UAE


Masterclock is a device which provides accurate timing signals to synchronise other network devices and slave clocks.

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The End users such as Airports, Hospitals, Media Broadcasting Companies, Utilities, Telecom Service providers, Space and Reasearch Centres, Universities, schools, Banks and other financial institutes generally need the Masterclock System. These End Users generally subcontract the scope of Masterclock Solution to System Integrators and ElV Contractors.

For the chief scientist charged with keeping America on time, Demetrios Matsakis may seem to possess a surprisingly casual attitude about timeliness. For instance, he doesn't wear a wristwatch.

"The smartest person I knew at the Naval Observatory was never on time. And as a graduate student, one of those scientists I most admired was not only always late but also had an extremely messy desk," he said. "I used to refer to 'excavating it.'"

Time is also very messy, and measuring it is a kind of excavation. Matsakis, a "sixty-something" physicist and astronomer with a tousled shock of silver hair, has been digging a lot. As the chief scientist and former department head of the US Naval Observatory's Time Services department, he has spent an inordinate amount of time with what's called the Master Clock. It is, essentially, America's fifty-year-old grandfather clock, the hidden instrument of Washington's dominion over the world's time.

At its heart, the USNO's Master Clock operates much like grandfather clocks do: with pendulums. More precisely: masterclock price in dubai UAE  a set of the most sophisticated pendulums ever built, carefully counting the "swings" of atoms' radiation with a precision unknown anywhere else in the universe.

It is the ticking of these clocks that tells so many of the other clocks—the ones on our phones, on our computers, our webpages, our TV screens, our radios, and our GPS systems—from your geolocation app to your Predator drone—what is the thing called "the time."

In this context, a simple wristwatch ticking according to a quartz crystal might seem almost offensive. Matsakis likes to say he is often frustrated by expressions like "surgical precision" and "like clockwork."

"Anyone who has had an operation can tell you about the former," he said wryly, "and anyone who tries to combine precise clock data at the nanosecond level can tell you about the latter."

Matsakis's interaction with time began, naturally, with an attempt to fix a clock. He arrived at the USNO in 1979 to work as a radio astronomer, measuring the rotation of the Earth. In 1990, a new clock came in, an experimental, mercury-based one, and promptly started to malfunction. Matsakis was the only physicist on the premises, so his supervisor asked him to fix it.

"After about two months I couldn't figure out what was wrong, so I told the director, 'The things I've tried haven't worked out. If you find someone else to do this, I won't be offended.' He didn't, and eventually I figured out what was wrong." His foray into timekeeping—and, eventually, into overseeing the Master Clock—was, he said, "a total coincidence."

The primary aim of timekeeping is to measure the passage of a second. To be precise, that is equivalent to the amount of time it takes for the hyperfine radiation given off by a cesium-133 atom at its ground state as it transitions between energy levels, and its electrons oscillate exactly 9,192,631,770 times.

These days, counting a second depends upon firing a microwave beam at one of these cesium atoms and counting the effect on its electrons. At that scale, the slightest aberration can knock a clock off its count. And then there are the effects of gravity, which Einstein's theory of special relativity showed can shift the pace of time.

Each clock will tick faster or slower at certain times, and generally, scientists can correct for this using software. The trickier part is understanding the rate–sometimes sudden, sometimes slow—at which a clock's ticking may be changing. "We must be on the lookout for deviations from the predicted behavior, and be sure to predict well."

 

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