What is the phone number for the Naval Observatory master clock?

What is the phone number for the Naval Observatory master clock?

202-762-1069
202-762-1069. DSN 762-1401.

Can you still call the atomic clock?

Even in the smartphone age, you can still dial up the time in hours, minutes, seconds. The U.S. Naval Observatory’s time-by-phone line received more than three million calls in 2015. Quick, try this: Dial 202-762-1401. That’s the number for the time-by-phone service offered by the U.S. Naval Observatory.

What is USNO Master Clock?

The USNO Master Clock is the underlying product for all of our precise time and time interval products. The timing reference produced by this timing ensemble is called UTC(USNO). This timing reference is mandated to be the precise time reference for all of the DoD.

Where is the US Naval Observatory master clock located?

The U.S. Naval Observatory Alternate Master Clock (USNO AMC) is located at Schriever Air Force Base near Colorado Springs, Colorado, on the same site as the Global Positioning System (GPS) Master Control Station.

Does dialing popcorn still work?

On the West Coast, the telephone time service was widely known as POPCORN, the letters that represented the numbers you had to dial—before it was discontinued in 2007. “We expected it to drop off, because with cellphones you get the time right there,” Matsakis said. “But calls have gone up since 2009.”

Where is the Naval Observatory master clock?

Washington, D.C.
USNO Master Clock The DoD common time reference is the U.S. Naval Observatory Master Clock. It is generated at USNO in Washington, D.C. and at the Alternate Master Clock Facility at Schriever AFB in Colorado.

Where is the master clock?

Where is the main clock?

The bearer of that important standard is the NIST-F1 Cesium Fountain Atomic Clock, located at the National Institute of Standards and Technology in Boulder, Colorado.

Where is the Naval Observatory master clock located?

The DoD common time reference is the U.S. Naval Observatory Master Clock. It is generated at USNO in Washington, D.C. and at the Alternate Master Clock Facility at Schriever AFB in Colorado.

What does the USNO master clock stand for?

The USNO Master Clock is the underlying product for all of our precise time and time interval products. The timing reference produced by this timing ensemble is called UTC (USNO). This timing reference is mandated to be the precise time reference for all of the DoD. USNO Master Clock Description

Is the US Naval Observatory a precise time service department?

The U.S. Naval Observatory has maintained a Time Service Department since 1880. At right are a pair of Reifler precision pendulum clocks, photographed in their underground vault c. 1910. Today, USNO’s Precise Time Department is charged with maintaining the DoD reference for Precise Time and Time Interval (PTTI). That reference is UTC (USNO).

Which is the Navy reference for precise time?

The U. S. Naval Observatory is charged with maintaining the DoD reference for Precise Time and Time Interval (PTTI). That reference is UTC (USNO). You can contact us about timing products through our contact pages.