Go check the NIST pages as well. On Wed, September 20, 2006 0:56, Glenn said: > Could be this: > THE *CHIP*-SCALE *ATOMIC CLOCK* â RECENT DEVELOPMENT PROGRESS > <http://tycho.usno.navy.mil/ptti/ptti2003/paper44.pdf#search=%22usno%20chip%20atomic%20clock%22> > http://tycho.usno.navy.mil/ptti/ptti2003/paper44.pdf#search=%22usno%20chip%20atomic%20clock%22 > > See also the conference papers at: > http://www.symmttm.com/info_center_white_papers.asp > # The MAC - A Miniature Atomic Clock. > # An Ultra-Low-Power Physics Package for a Chip-Scale Atomic Clock. > # The Chip-Scale Atomic Clock â Low-Power Physics Package: 2004. > # The Chip-Scale Atomic Clock â Recent Development Progress: 2003. > # The Chip-Scale Atomic Clock â Coherent Population Trapping vs. > Conventional Interrogation: 2002. > <http://www.symmttm.com/pdf/Precision_Frequency_References/wp_PTTI_2002.pdf> > > > > 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 >> _______________________________________________ >> time-nuts mailing list >> [email protected] >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> > > > _______________________________________________ > time-nuts mailing list > [email protected] > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
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