[time-nuts] Chip-scale Atomic Clock !

Glenn glenn at net127.com
Tue Sep 19 18:56:45 EDT 2006

Could be this:

See also the conference papers at:
# The MAC - A Miniature Atomic Clock.
# An Ultra-Low-Power Physics Package for a Chip-Scale Atomic Clock.
# The Chip-Scale Atomic Clock – Low-Power Physics Package: 2004.
# The Chip-Scale Atomic Clock – Recent Development Progress: 2003.
# The Chip-Scale Atomic Clock – Coherent Population Trapping vs. 
Conventional Interrogation: 2002. 

Brooks Shera wrote:
> The excerpt  below from GPS World refers to a Chip-scale atomic clock being developed by DARPA.  
> Does anyone know what technology they might be using for such a clock?
> "Atomic Clock Synchronization 
> The U.S. Navy Space and Naval Warfare Systems Center San Diego is incorporating a chip-scale atomic clock into a new GPS receiver design, the Navigation Nugget. read more»The Nugget fuses a GPS software-defined receiver with an inertial measurement unit (IMU), synchronized by an onboard atomic clock, to create a positioning, navigation, and timing-sensor suite capable of withstanding impaired and threatened GPS environments. The chip-scale atomic clock is being developed by Defense Advanced Research Projects Agency. Adding an atomic clock to the GPS/IMU combination will help ground forces in canopy or jammed environments and improve vertical accuracy. A large-scale prototype Navigation Nugget is expected to be field tested in one year. Space and Naval Warfare Systems Center, www.spawar.navy.mil/sandiego/.  "
> -Brooks
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