I still have my 3G whose clock (always) is to the second with my atomic clocks at home (or my computers for that matter.) Both iPhone 4's in my family are off; one by 40 seconds, one by almost a minute, and increasing. They simply do not sync. I suspect that the clock module in the 4G is of an inferior quality. PC Atomic Sync synchronizes your computer clock by the most reliable and resource saving way. No boring process, high reliable and minimum user attention are main features of this program.
- Atomic Clock Sync free download - Desktop Atomic Clock, Chameleon Clock, JSS Clock Sync, and many more programs. Display world clock with an.
- Use Atomic Clock Sync and go the easy route Atomic Clock Sync offers an easy way to configure how often your computer will check in with an atomic clock server to keep your local system clock adjusted for accuracy.
- While an Atomic Clock is not much use in organizing your appointments, its accuracy is paramount to systems such as mobile telephone, land line telephones, the internet, GPS, aviation programs, and digital television, where split-second precision can make the difference between failure and functionality.
By Konstantin Bikos and Anne Buckle
International Atomic Time (TAI) is one of the main components of Coordinated Universal Time (UTC), the time scale used to determine local times around the world. It tells us at which speed our clocks should tick.
TAI Keeps the Pace
Current Time Atomic Clock Sync
Two components are used to determine Coordinated Universal Time (UTC):
- International Atomic Time (TAI) is a time scale that uses the combined output of some 400 highly precise atomic clocks. It provides the exact speed at which our clocks tick.
- Universal Time (UT1), also known as astronomical time, refers to the Earth's rotation. It is used to compare the pace provided by TAI with the actual length of a day on Earth.
How is TAI Measured?
International Atomic Time is an extraordinarily precise means of time-keeping. Atomic clocks deviate only 1 second in up to 100 million years.
The secret to this impeccable precision is the correct measurement of the second as the base unit of modern time-keeping. The International System of Units (SI) defines one second as the time it takes a Cesium-133 atom at the ground state to oscillate exactly 9,192,631,770 times.
Atomic clocks are designed to detect this frequency, most of them today using atomic fountains; a cloud of atoms that is tossed upwards by lasers in the Earth's gravitational field. If one could see an atomic fountain, it would resemble a water fountain.
To achieve the highest possible level of accuracy, the International Bureau of Weights and Measures combines the output of about 400 atomic clocks in 69 national laboratories worldwide to determine TAI. The time scale is weighted, prioritizing the time signal provided by institutions that maintain the highest quality of primary cesium.
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Why Use UTC – Not TAI?
The high level of precision achieved by using atomic clocks is both a blessing and a curse. On the one hand, accurate time-keeping is a necessity, for example for time-sensitive technology, such as modern air traffic control systems that rely on satellite navigation.
Atomic Clock Sync Windows 10
On the other hand, TAI does not take into account the Earth's slowing rotation, which determines the length of a day. For this reason, TAI is constantly compared to UT1. Before the difference between the two scales reaches 0.9 seconds, a leap second is added to UTC.