Atomic Wall Clocks

2008-04-28 15:01:20

( Pharmeceutical-Medical )



What is an Atomic Wall Clock?

Also known as a radio controlled clock, the atomic wall clock has become popular and less expensive than in recent years.

Like a regular clock, the atomic wall clock tells time, but it is much accurate to within one second and never needs any readjustments. It also adjusts itself to daylight savings time and back, without your intervention. And even if you haven't turned it on continuously, it will reset itself to the actual time when you turn it on again.

How Does an Atomic Wall Clock Work?

Real atomic wall clocks contain either rubidium or cesium oscillators that automatically synchronizes with the National Institute of Standards and Technology radio station. The very powerful transmitter at NIST can project signals as far as two thousand miles across the American continent.

A household version of the atomic wall clock has a simple antenna and radio to receive the signals from NIST. You don't need to set the time, since the atomic clock radio device will receive and decode all signals. It takes about a minute or so to adjust its own time. Occasionally, the time adjustment might take longer depending on the quality of the radio signal.

Benefits of an Atomic Wall Clock

You will always get accurate time with the atomic wall clock. The atomic clock radio receiver gets signals as low as sixty kilohertz, much lower than what is needed by your FM radio unit.

Your atomic wall clock works either on batteries or electricity. It will still self-adjust to the accurate time even though you experience power failure in your home. You will never have to get up late and miss an important event due to inaccurate time.

Tips for Using Your Atomic Wall Clock

Atomic wall clocks work best when they are positioned along a wall or near a window that faces the direction of NIST.

Since the device is highly dependent on radio signals, magnetic distortions from other items in your home might cause delays in time adjustment and synchronization. Make sure that the clock is located at least a few yards away from your computer or other highly magnetic devices.

Atomic wall clocks don't work well when inside a metal-lined shelter such as a mobile home or a metal storage building. You need to place the clock outside in such cases.

Where to Get Atomic Wall Clocks

Specialty stores and online sites can sell you a good household type of atomic wall clock. Prices are only slightly higher than a regular analog wall clock. You can order the atomic clock directly on the online site, but make sure that it's a reputable source.


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