[time-nuts] Chip-scale Atomic Clock !

John Ackermann N8UR jra at febo.com
Tue Sep 19 20:54:36 EDT 2006

Brooks Shera said the following on 09/19/2006 06:48 PM:
> 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/.  "

There was a tiny Rb standard publicized a while ago.  I wonder if this
is it?


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