We had added some new Atomic clock items that we really like from MFJ.

MFJ ZMF-131RCMFJ ZMF-131RC

12/24 Analog Atomic Wall Clock This huge 12-inch diameter atomic wall clock can be seen from across the room! It'll liven up any hamshack wall and it automatically receives the WWVB signal. Has both 12 and 24 hour time format displays. Has second hand with clearly marked seconds display points. Attractive, clean, white, real glass face is highly visible and will improve the decor of any room. Black, thick rugged plasic covers the outer rim.
Price: $49.99
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MFJ-121B CLOCK, ATOMIC, GIANT LCD DUAL TIME MFJ-121B CLOCK, ATOMIC, GIANT LCD DUAL TIME

Read both UTC and local time at-a-single-glance with this MFJ-121B dual atomic clock. Displays 24/12 hour time simultaneously -- can each be independently set. Automatic backlight lights up every day at your preset time for 8 hours. Mounted in a handsome silver-metallic, hard-plastic frame, it features HUGE, easy-to-see 2” tall by 1” wide LCD numerals, an exclusive UTC zone and has a running seconds display. 11 3/8Wx7 1/4Hx1D inches mounts on wall or desk mount. Daylight savings time can be disabled. Use four AA batteries -- long lasting!
Price: $99.99
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MFJ-123B CLOCK, ATOMIC, SOLAR, GIANT, 12/24 HR, DESK/WALL MFJ-123B CLOCK, ATOMIC, SOLAR, GIANT, 12/24 HR, DESK/WALL

MFJ’s exclusive solar powered Eternity Atomic ClockTM works for an “eternity”! No need for batteries or to set time! Receives WWVB signal. Display is a whopping 3 1/2Hx6 1/4W inches with huge 2” time digits. Choose 24 or 12 hour time. Has indoor temperature, running seconds, month/date and day-of-week displays. 9 1/2Wx6 1/4Hx1D in. Attractive silver metallic looks fantastic on the wall or desk mounted in the shack or office! Has power on/off switch for when clock is in storage or not in use. MFJ-123B CLOCK, ATOMIC, SOLAR, GIANT, 12/24 HR, DESK/WALL
Price:

$99.99
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MFJ-130BRC CLOCK, ATOMIC, 24/12HR/TEMP/LCDMFJ-130BRC CLOCK, ATOMIC, 24/12HR/TEMP/LCD

The MFJ-130BRC is a 24/12 hour wall/desk mount atomic clock. It has large 1 ⅞" digits that can be see from across your room. Daylight savings time can be disabled so you can set your clock for UTC without having it bounce back to regular time the next day. This handsome silver and black base with a bright green LCD display looks great in any location. Running seconds, month, date, day, and indoor temperature are all displayed. MFJ-130BRC has all the info you need.
Price: $39.99
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MFJ-131RC CLOCK, ANALOG, ATOMIC, 12~, 12/24HRMFJ-131RC CLOCK, ANALOG, ATOMIC, 12~, 12/24HR

This huge 12-inch diameter atomic wall clock can be seen from across the room! Itll liven up any hamshack wall and it automatically receives the WWVB signal. Has both 12 and 24 hour time format displays. Has second hand with clearly marked seconds display points. Attractive, clean, white, real glass face is highly visible and will improve the decor of any room. Black, thick rugged plasic covers the outer rim.
Price: $49.99
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MFJ-132RC CLOCK, ATOMIC, 12/24 HR/SEC/DATE/MON, LCDMFJ-132RC CLOCK, ATOMIC, 12/24 HR/SEC/DATE/MON, LCD

MFJ-132RC has an unbelievable number of features for such a low price! You get HUGE 0.563-inch height LCD digits, atomic-controlled for absolute pin-point accuracy, 24/12 hour selectable, running seconds display, dual alarms, 5-minute ID (snooze), fabulous backlight, month and date display, an indoor thermometer (range 32 to 122 degrees Fahrenheit), uses just two AA 1.5V batteries (not included) and has MFJ’s famous one year limited warranty. MFJ will repair/replace (at their option) your clock for one complete year.
Price: $25.95
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MFJ-133RC ATOMIC CLOCK, DUAL TIME, 12/24MFJ-133RC ATOMIC CLOCK, DUAL TIME, 12/24

MFJ-133RC dual time zone LCD clock can display two time zones. Lets you read any two time zones in 24 or 12 hour format. Atomic-controlled for absolute pin-point accuracy! Features huge 1 1/8 inch high-contrast LCD numerals easily read from 6 feet away. Super compact 4Wx3Hx3/4D inches. Super attractive silver clock folds up and slides in your shirt pocket for great travelability.
Price: $45.99
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MFJ-136RC ATOMIC CLOCK, SOLAR, BACK LT, 24/12, CALENDERMFJ-136RC ATOMIC CLOCK, SOLAR, BACK LT, 24/12, CALENDER

The MFJ-136RC is a solar-powered 12/24 hour desktop clock that never needs batteries. It features a large LCD display and gives precision radio-controlled time synchronized from WWVB in Boulder, Colorado. It also features an alarm. 3 x 4.5 x 1.5 inches.
Price: $39.99
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MFJ-137RC CLOCK, ANALOG, ATOMIC, 14 inchMFJ-137RC CLOCK, ANALOG, ATOMIC, 14 inchT



his huge 14” 12-hour clock is easy-to-see! Automatically sets itself, accurate to the second! Daylight savings time can be disabled. Handsome black with white face looks great in your hamshack, office, hospital, etc. Use single AA battery (not incl.). Can also be manually set.
Price: $39.99
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MFJ-186RC digital WATCH, ATOMIC, LCDMFJ-186RC digital WATCH, ATOMIC, LCD

This MFJ Radio-Controlled Wrist Watch automatically receives the WWVB signal generated by the US Atomic Clock located in Fort Collins, Colorado. MFJ-186RC lets you switch from 24 hour format or 12 hour format and to different time zones (Pacific, Mountain, Central, or Eastern). Also has running seconds display and day-of-week and date display. This MFJ radio-controlled wrist watch has an alarm function and also can be used as a stopwatch for standard, accumulated, split-time, or competitor measurements. A backlight feature allows for easy night viewing. The backlight will illuminate the LCD display for about three seconds. Year, month, and day can be displayed in calendar mode. MFJ-186RC is water-resistant up to 3 ATM.
Price: $29.99
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MFJ-188LRC WATCH, ATOMIC, ANALOG, BROWN LEATHER BANDMFJ-188LRC WATCH, ATOMIC, ANALOG, BROWN LEATHER BAND

Handsome brown leather band! Atomic watch gives precision 12 hour time format (accurate to +/- 1 second per day) and automatically receives and updates itself from the WWVB signal from Fort Collins, Colorado daily. MFJ-188 has back-light, automatic daylight savings time feature, manual time setting, 5 ATM water resistance, and includes lithium battery. Beautiful Silver-metallic face with huge analog digits give time in-a-glance. Second hand/second notches on face.
Price: $39.99
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MFJ-188MRC WATCH, ATOMIC, ANALOG, SS METAL BANDMFJ-188MRC WATCH, ATOMIC, ANALOG, SS METAL BAND

Great looking stainless steel band! Atomic watch gives precision 12 hour time format (accurate to +/- 1 second per day) and automatically receives and updates itself from the WWVB signal from Fort Collins, Colorado daily. MFJ-188 has back-light, automatic daylight savings time feature, manual time setting, 5 ATM water resistance, and includes lithium battery. Beautiful Silver-metallic face with huge analog digits give time in-a-glance. Second hand/second notches on face.
Price: $39.99
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MFJ-189RC WATCH, ATOMIC, ANALOG, BLACK LEATHER BANDMFJ-189RC WATCH, ATOMIC, ANALOG, BLACK LEATHER BAND
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Atomic watch gives precision 12 hour time format (accurate to +/- 1 second per day) and automatically receives and updates itself from the WWVB signal from Fort Collins, Colorado daily. MFJ-188 has back-light, automatic daylight savings time feature, manual time setting, 5 ATM water resistance, and includes lithium battery. Beautiful Silver-metallic face with huge analog digits give time in-a-glance. Second hand/second notches on face.
Price: $35.99
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FOR MORE INFO CHECK OUT ATOMICCLOCKSSTORE.COM or http://www.atomicclocksstore.com/category/38375516

New Products SOLAR POWERED

We are please to announce our new SOLAR ATOMIC CLOCKS.


Timex T065S Solar Powered Radio Controlled Atomic Alarm Clock




Product Features

Sets itself automatically to the time signal from the US atomic clock at Fort Collins, Colo.
Automatically adjusts for Daylight Savings Time & standard time
Built-in solar cell & rechargeable battery
Large easy to read liquid crystal display time, month, date, day & indoor temperature
Digital seconds counter

Technical Details

Brand Name: Timex
Model: T065S
Item Height: 2.5 inches
Item Length: 6 inches
Item Weight: 0.5 pounds
Item Width: 3.6 inches

Product Dimensions: 6 x 3.6 x 2.5 inches ; 8 ounceshttp://www.blogger.com/img/blank.gif
Shipping Weight: 1 pounds

Item model number: T065S

To order and for Price CLICK HERE





Low Vision Atomic Solar Wall Clock



The unit is designed to use solar power for full operation. Integrated with the most advanced radio controlled time technology with automatic summer time adjustment, minimal attention of the unit is needed to keep the most accurate time. The unit works on receiving the time radio signal. The time signal is generated by the US Atomic Clock which is located in Colorado. (The Atomic Clock is operated by the US Department of Commerce's National Institute of Standards and Technology.) To enhance good reception, avoid placing the unit near television sets, metal surfaces, computers or electric devices as these devices will interfere with the reception of radio signal.

FEATURES: Atomic clock functlon with automatic daylight saving time / standard time adjustment. Solar power for full operation. No external battery needed. Jumbo display with maximum digit height 47mm. Display time with running second / calendar with month, date and day-of-week. Digital map showing the current time zone selected, for easy recognition. 12/24HR display format user selectable. POWER SAVE mechanism for minimal power consumption in dark. Hang on wall or stand on the desktop (with built-in easel stand). Display Size: 2-1/4. Clock is 10 in diameter. Please note: The atomic function will not operate in Hawaii or Alaska. This item sometimes does not communicate with the National Institute of Standards and Technology from either Hawaii or Alaska and therefore might need be set manually while in those states.

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Product Features

Solar powered needs no batteries
Automatically sets itself with atomic time
Big 2 1 4 high display
Hangs on wall or tabletop
10 inches in diameterhttp://www.blogger.com/img/blank.gif

TO ORDER CLICK HERE


La Crosse Technology WT-8112U-WH Solar-Powered Atomic Digital Clock



Have your accurate time and date with the added comfort of room temperature and humidity and a bonus of solar technology. Stores power for continuous operation using a high efficient solar panel and maintains full charge even in minimum light.


Product Features
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Atomic time and date (manual setting)
Monitors in temperature (Degree F or Degree C) and humidity
Automatically updates for daylight saving time (on/off option)
Solar panel for rechargeable battery power with solar mode setting
Time alarm with snooze

TO ORDER CLICK HERE

LaCrosse Color Wireless Automic Weather Station 308-805


LaCrosse Color Wireless Atomic Weather Station 308-805

It give you current in / out temperature and humidity, month, date andhttp://www.blogger.com/img/blank.gif day, color forecast icons, atomic time and date, heat index and dew point, Easy to set up and use
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Product Dimensions: 12 x 9 x 4 inches ; 5 pounds
Shipping Weight: 4 pounds

Item model number: 308-805

CLICK HERE FOR A PRICE AND TO BUY

For these and the largest selection of Atomic Clocks, check out the ATOMIC CLOCKS STORE

http://www.atomicclocksstore.com/

Wait A Second, And What Else To Do With It

Let me take a second here.

Not very long, was it?

But a second tied up delegates to the UN's International Telecommunication Union, who postponed a decision this week on whether to abolish the extra second that's added to clocks every few years to compensate for the earth's natural doddering.

The earth slows down slightly as we spin through space. No one falls off, but earthquakes and tides routinely slow the earth by a fraction of a fraction of a second, which makes clocks minutely wrong. If not corrected, it could make a minute of difference a century.

So every few years, official clocks around the world repeat a second. The last "leap second," as it's called, was added at the end of 2008.

Ah, I remember it well.

The UN agency has been talking about abolishing the leap second for eight years. If you ever wonder why the UN can seem so slow to act in a crisis, consider the time they've had just deciding what to do about a second. But the implications are astronomical.

For centuries time was figured by the rotation of the earth. But atomic clocks keep time by the movement of electrons in atoms.

The U.S., France and Japan consider the leap second to be a nuisance, like having to reset the clocks on the alarm and microwave twice a year, especially when power grids and global positioning systems rely on millisecond timing.

Physicist Włodzimierz Lewandowski asked the panel, "Does it make sense to ... use an imperfect clock based on a wobbly planet?"

Don't be offended, Earthlings.

But China, Canada, Britain and some astronomers think that if we move solely to atomic time, we may lose sight of the ways our days are linked to the sun and stars. We might lose sight of our place in the universe.

"The United Kingdom is strongly opposed to coming up with a new conception of time, without good reason," said British physicist Peter Whibberley.

The UN won't take up the issue for another three years, so another leap second is scheduled for June 30.

How will you use your extra second?

It's not enough time to learn Latin, climb Kilimanjaro or read Ulysses. But maybe just enough to remind us that our time goes by in the blink of an eye: We should cherish every fleeting second.



by Scott Simon

http://www.npr.org/2012/01/21/145565089/wait-just-a-second-and-other-things-to-do-with-it

Decision put off on leap second, ending atomic clock sync with Earth day

GENEVA — The leap second may live on for at least another three years.

Once or twice a year, the leap second can be tacked on to synchronize atomic clocks — the world’s scientific timekeepers — with the Earth’s rotational cycle, which does not run quite like clockwork.

Without the leap second, atomic clocks would diverge about a minute a century from the course of the sun across the sky.

Britain, China, Canada and others have argued to keep it, but the United States, France and other nations have pushed to untether machines from the natural cycle because of the technical difficulties and costs to government and business.

Sanjay Acharya, a spokesman for the International Telecommunication Union, said Thursday a decision to abolish the leap second has been put off until next week. He said “it’s been deferred” because government delegates at an ITU meeting were unable to reach agreement at talks this week.

The decision about how much the world needs the leap second affects everything from mobile phone networks to financial markets to air traffic control systems, all of which rely on atomic clocks and wouldn’t have to momentarily stop their systems.

A Paris-based agency that tracks the globe’s irregular wobble sends notice when the world’s timekeepers need to add a leap second. That’s only done on June 30 and December 31, but sometimes years go by without an adjustment — and there’s never been the need to subtract a leap second.

Government delegates now plan to examine the issue at a separate meeting in Geneva next week, but Acharya said they will likely defer any formal decision until 2015.


By Associated Press, Published: January 19

http://www.washingtonpost.com/world/europe/decision-put-off-on-leap-second-ending-atomic-clock-sync-with-earth-day/2012/01/19/gIQAzCLBBQ_story.html

sio scan

Some of the old skyscan clocks and transmitters have sio scan on them. The sio scan transmitters and sio scan clocks are available at www.AtomicClocksStore.com

Are Atomic Clocks Radioactive?

Are Atomic Clocks Radioactive?
Atomic clocks keep time better than any other clock. They even keep time better than the rotation of the Earth and the movement of the stars. Without atomic clocks, GPS navigation would be impossible, the Internet would not synchronize, and the position of the planets would not be known with enough accuracy for space probes and landers to be launched and monitored.

Atomic clocks are not radioactive. They do not rely on atomic decay. Rather, they have an oscillating mass and a spring, just like ordinary clocks.

The big difference between a standard clock in your home and an atomic clock is that the oscillation in an atomic clock is between the nucleus of an atom and the surrounding electrons. This oscillation is not exactly a parallel to the balance wheel and hairspring of a clockwork watch, but the fact is that both use oscillations to keep track of passing time. The oscillation frequencies within the atom are determined by the mass of the nucleus and the gravity and electrostatic "spring" between the positive charge on the nucleus and the electron cloud surrounding it.

Now You Can Buy the Smallest Atomic Clock Ever Made

Now You Can Buy the Smallest Atomic Clock Ever Made
The new clock, precise to a millionth of a second, is 100 times smaller than its predecessor

By Julie Beck


World's Smallest Atomic Clock Symmetricom

If you have a spare $1500 burning a hole in your pocket, perhaps you’d like to spend it on an ultra-precise, ultra-small atomic clock, now available for purchase from Symmetricom Inc. Draper Laboratory and Sandia National Laboratories.

The Chip Scale Atomic Clock (CSAC), originally developed for DARPA, is 100 times smaller than its predecessors and uses 100 times less power as well. It requires only 100 milliwatts of power, measures about 1.5 inches per side and is less than half an inch deep.

The clock measures the passage of time in millionths of a second by counting the frequency of electromagnetic waves. These waves are emitted by cesium atoms are stored in a tiny container, no bigger than a grain of rice, when they are shot by a vertical-cavity surface-emitting laser (VCSEL). Replacing the previously used rubidium-based atomic vapor lamp with the VCSEL is what reduced the clock’s power consumption.
Measuring The Wavelength of CSAC's Laser: Randy Montoya/Sandia National Laboratories
A CSAC clock continues to function when GPS signals are blocked, making it incredibly useful deep underground or underwater. It could also prove handy when experts are blocking telephone signals from detonating explosive devices with electromagnetic interference, as the CSAC would continue to function.

After 10 years of development, CSAC went on the market in January. DARPA projects rarely become commercialized, so this product page, available for anyone to peruse on the web (and purchase for their deep-sea explorations), is a pretty big deal.



Atomic clock accuracy and low power make the SA.45s ideal for portable applications requiring precise synchronization and time keeping, especially in GPS-denied environments.

Breakthrough Leadership The CSAC’s unmatched portability derives from specs that include:

115mW power consumption
16cm3 volume
35g weight
±5.0E-11 accuracy at shipment
σy < 5 x 10-12 at τ = 1 hour short-term stability (Allan Deviation)
<3.0E-10/month aging rate

A New Class of Applications At two orders of magnitude better accuracy than oven-controlled crystal oscillators (OCXOs) — and up to four orders of magnitude better accuracy than temperature-controlled oscillators (TCXOs) — the CSAC’s unmatched portability opens the door to new classes of applications, such as:

Underwater sensors for seismic research or gas and oil exploration
Military systems including dismounted IED jammers, dismounted radios, GPS receivers, and unmanned aerial vehicles (UAVs)

Device Connectivity The SA.45s CSAC produces two outputs, a 10MHz square wave and 1PPS, both in a CMOS 0 – 3.3V format. It also accepts a 1PPS input for synchronization and provides an RS-232 interface for monitoring and control.



The SA.45s Chip Scale Atomic Clock (CSAC) is available in two versions:

Option 001, which operates from -10° C to +70°C for commercial applications
Option 002, which operates from -40°C to +85° C for military applications

A CSAC Developer's Kit is also available.
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